Led Watch Battery

Chipmaker Qualcomm introduced the second generation of its Qualcomm Spectra image signal processor (ISP), which has gained capabilities that will enable smartphones to facilitate augmented reality apps. The latest Spectra ISP, which controls the speed at which the camera modu ...more

This Black Friday, there are a lot of smartphone deals. Whether you're picking up a new phone or already have one, one of the first purchases you'll want to make is a protective case. And just like nearly every other item, there's plenty of money to be saved on some great phon ...more

A common misconception is that all car batteries die. This, in fact, isn't true—the majority of "dead" car batteries just don't contain enough juice to power a car, but they can still provide enough watts to keep emergency fans and lighting running, which is great when a power ...more

The price of hacking Wi-Fi has fallen dramatically, and low-cost microcontrollers are increasingly being turned into cheap yet powerful hacking tools. One of the most popular is the ESP8266, an Arduino-programmable chip on which the Wi-Fi Deauther project is based. On this ine ...more

We recently set out to find the best phones for people whose primary usage revolves around social media apps like Facebook and Instagram. Samsung, Apple, and Google were the three brands that made our top five, and while the latter only had one finalist, the two bigger OEMs ha ...more

Check In is a new safety feature built into the Messages app that can automatically notify a family member, friend, another contact, or a group the moment you arrive safely at a destination, giving them peace of mind in knowing you're all right. If you never reach your stoppin ...more

Whether you want to give a gift that your loved one has wanted all year or one that they never even knew existed, there's something awesome for everyone in these gifts. Just as exciting as their innovative features is their price. We've found the best deals on gadget gifts fo ...more

Widgets have been available on the iPhone for a while now, but they were tucked away in the Today View or hidden in the quick actions menu for app icons on the home screen. Android had always had a leg up on Apple in the widget department because they were so much more versati ...more

The most common Wi-Fi jamming attacks leverage deauthentication and disassociation packets to attack networks. This allows a low-cost ESP8266-based device programmed in Arduino to detect and classify Wi-Fi denial-of-service attacks by lighting a different color LED for each ty ...more

A flashlight is one of those things you rarely need, but hardly ever have when you do. The normal-sized ones are unwieldy to carry around, and the small ones that you keep in a purse or car are easy to lose. You can solve both of those problems and get the best of both worlds ...more

While we just called the Apple Watch Series 5 the "best lifestyle assistant and fitness wearable you can get," it doesn't mean that it's the model you should get. Whether you're shopping for yourself or someone else and are on a tight budget, the Series 4 offers the majority o ...more

The newly-announced Moto G7 Play offers some of the same upgrades as its sibling, the Moto G7, but at a much lower price. The upgrades are pretty significant when compared to last year's Moto G6 Play, taking this phone from the "only if you're on a strict budget" category into ...more

The top five apps of the 2010s were all social media apps of some kind, and the fact that's not surprising to you says a lot. We may use them for other reasons here and there, but our phones are social media machines at their cores. The thing is, some make better machines than ...more

The Moto G7 Power is a phone that screams battery life. From its display resolution to the massive battery, it was designed for those who hate to recharge each night. But unlike other battery-focused smartphones, it comes at a price almost anyone can afford. Lenovo, Motorola' ...more

While keeping your iPhone out of the bedroom might help to avoid unnecessary distractions before bedtime, it could be better served right by your side to help diagnose sleeping issues you may be experiencing each night. With the Apple Health app, and all of the apps and devic ...more

As the premiere app for chatting and video calls, it only makes sense for Skype to provide a dark theme to help prevent eye strain and minimize battery drain. Not only that, it has to also keep pace with popular messaging apps like Facebook Messenger that also have the feature ...more

One of the many perks of being a Nexus user is that Google bakes in all sorts of goodies for use on its dessert-themed OS. From an easily unlocked bootloader, to a smooth and well-crafted "stock" UI experience, to being one of the first devices to receive updates straight from ...more

The old "my battery is dead" excuse for not calling your mother may soon be a thing of the past. A team from the Korea Advanced Institute of Science and Technology (KAIST), led by Professor Jo Byeong-jin, has developed a "wearable thermo-element" that can be built into clothin ...more

If you're one of the many professionals transitioning to working from home amidst the current pandemic, there's a good chance you're now realizing how far behind your at-home setup is compared to what you had at the office. If you're due for an upgrade but want to stick to a ...more

Android has gotten significantly better at handling intrusive ads over the years. Things have gotten to the point to where these nuisances are largely a non-issue for most of us. However, there are still a few ad-laden apps that fall through the cracks — particularly the kind ...more

In an attempt to increase advertising revenues, Snapchat introduced Discover back in January of this year, a feature that brought a handful of prominent media partners, such as CNN, ESPN, and Vice to your feed, along with their tailored news stories and videos. The brilliant ...more

If running out of battery while out and about weren't bad enough, the experience is a lot more painful if your iPhone has a semi-untethered jailbreak. With that kind of jailbreak, when the iPhone dies, all of the mods will be disabled after the device powers back up. Fortunate ...more

Though many were hoping for it, a notification indicator around the Galaxy S10's front camera punch hole never came to fruition. Since then, we've been finding other uses for the camera cutout, from turning it into a circular battery meter to using creative wallpapers. Thankfu ...more

We fight cancer in a variety of ways, but no matter whether drugs, biologics, or our immune cells are part of the battle, they can do a better job fighting back cancer if we can help them find the tumors. Scientists from the University of Rochester Medical Center (URMC) have ...more

New research reveals how E. coli bacteria construct elaborate and effective tunnels to pump unwanted molecules like antibiotics and other toxins out of cells. The discovery could help us better understand how antibiotic resistance occurs and give us a leg-up to beat them at th ...more

Hak5's products get a lot of attention. Popping up in popular shows like Mr. Robot, their hacking tools are bold proof of concepts with space built into the design for the community to add their own tweaks and modifications. On Friday, Oct. 27, Null Byte attended the Hak5 rele ...more

The new Apple iOS 7 is here for your iPad Mini. Closing running apps prevents them from taking up precious memory, resources and battery. Simply quitting an app by pressing the home button doesn't work; the application is still running. Watch the video below to see how to clos ...more

Magic Leap has done a great job of aggressively releasing new apps, software updates, and major franchise tie-ins. But aside from all the creative and entertainment apps, what's it like to use one of the apps the company hopes you'll use every day? One of those apps is the CN ...more

Your iPhone just went missing, and now you're panicking. You need it for work, to get around, to contact your friends and family, and pretty much everything else in your life. So, what are the chances you might get it back? The odds may be stacked against you unless it's just ...more

While everyone was marveling at the latest drama over at Magic Leap involving employees last week, a major rumor listed in one of the reports, related to the company's flagship device, was mostly overlooked. "One current issue with the headset is battery life and charging; th ...more

When Tim Cook, Craig Federighi, and other core Apple leaders take the stage for WWDC 2021 on June 7, we'll hear a lot about exciting new things to come. We're likely to see what's in store for watchOS 8 and macOS 12, but more importantly, we'll get a glimpse at what iOS 15 and ...more

It's not easy staying fit and healthy these days with addicting phones, oversized portions, and long workdays, to name just a few things. To succeed, it takes work, commitment, and an understanding of your mind and body — and your iPhone can help you with some of that. While A ...more

Chinese tech company OPPO has been on the cutting edge of smartphone battery charging since it released its VOOC Flash Charge in 2014. Using VOOC, you can charge your battery from 0-75% in 30 minutes. VOOC Flash Charge can give a dead battery a 75% charge in 30 minutes.. That ...more

It's been proven over and over that you can make batteries out of fruits and vegetables such as lemons, potatoes, and even apples. Turns out, passion fruit is also acidic enough to power a battery, but Maui Makers member Ryan K decided to take it a step further by adding a las ...more

At the 2017 Augmented World Expo (AWE) in Santa Clara today, smartglasses maker Epson introduced two new augmented reality headsets from its Moverio line of products. The Epson Moverio BT-350 augmented reality smartglasses are aimed to be shared among multiple users. It can p ...more

While the iPhone came before the first Android smartphone, every new iOS version seems to include a wealth of features already existing on Android, and iOS 17 is no exception. Apple's currently beta testing iOS 17 with developers, with a public beta coming in July and a stabl ...more

Bacteria, viruses and other germs sometimes set off the immune system to overreact, producing a severe condition called sepsis. Sepsis is so dangerous that it is the leading cause of death of children across the world, killing a million kids every year, mostly in developing co ...more

LEDs have slowly become the standard for DIY lighting projects because they consume less power and last way longer than regular light bulbs do. Light-emitting diodes have no filament, meaning they generate their light solely by the movement of electrons in a semiconductor mate ...more

The world of augmented reality has seen a myriad of different products, from sensor-laden smartphones to robust holographic headsets, but Google Glass's failures nearly killed the middle ground. Based on our hands-on time with a prototype, LAFORGE Optical did what Google coul ...more

On the surface, Instagram is pretty intuitive, so you might think that you already know everything there is to know about using it on your iPhone or Android phone. But this photo and video-sharing app is constantly adding new features, some of which don't make the press releas ...more

Google just released the second developer preview of the Android 8.1 update for Nexus and Pixel devices, and even though it's just a point-one release, there are lots of cool changes. Before you run off to join the Android beta program and try the new version, it's worth readi ...more

When you look at your status bar on your iPhone, you'll almost always see the battery icon, which gives you an estimate of how much battery life you have left before you need to charge the device. What you won't always see is the exact battery percentage, but there are multipl ...more

Last year, Razer kicked off a new trend by building a smartphone from the ground up with mobile gamers in mind. At the time, many thought the Razer Phone solved a problem that no one really had — but a year later, we're starting to see that gaming phones are perfect for more t ...more

The new iOS 14 for iPhone arrived Wednesday, Sept. 15, 2020, alongside iPadOS 14, and there are a lot of features to uncover. Improved widgets. Better home screen customization. Exciting Messages improvements. New abilities in Camera and Photos. There's so much here that it'll ...more

For almost a decade, projector phones have tried to entice consumers with their convenience as media machines. While these devices are alluring, they've never really taken off with mainstream success. The latest effort, Moviphone, sounds tempting if you watch a lot of films an ...more

My first encounter with a phablet was late last year with the AT&T version of the Samsung Galaxy Note 2, having never touched or even seen its highly-acclaimed and pioneering predecessor. Initially, I was a bit overwhelmed by the enormous screen and taken aback by the dated st ...more

A good smartphone can be the perfect workout companion. You have music for motivation, videos for pushing through boring cardio sessions, GPS to keep you on course, and even an array of sensors for gathering data about your workout. But not all phones are created equal when it ...more

It feels like just yesterday Apple unveiled iOS 13 to the world, introducing game-changing features like system-wide dark mode and enhanced editing tools in Photos. But WWDC 2020 is rapidly approaching, which means iOS 14 is as well. As it turns out, we don't need to wait for ...more

The iPhone XR has touched down alongside the XS and XS Max, and it utilizes tried and tested materials found on the iPhone 8, while being molded in the same vein as the iPhone X. The budget-friendlier flagship comes with its own set of design elements to set it apart from its ...more

While there were a ton of features added in iOS 12, one that Apple had been bragging about since June was nowhere to be seen. Until now. With the iOS 12.1 update, your iPhone gets a huge feature, as well as a few smaller ones to boot. The iOS 12.1 update was released on Oct. ...more

Apple's successor to the iPhone X is a beautifully made smartphone with much of the same characteristics, including a 5.8-inch OLED screen, two storage choices, and Face ID. But many features set the iPhone XS apart from its predecessor, as well as the other 2018 lineup of iPh ...more

During Huawei's P30 smartphone launch event on Tuesday, the China-based company unveiled a surprise addition to its line-up: smartglasses. The device is launching in partnership with South Korean fashion eyewear company Gentle Monster. Don't Miss: Snap Rolling Out New Specta ...more

Your beloved Samsung Galaxy S3 is nearing the end of its life cycle. Sure, it can do most of what newer devices can, especially if you were lucky enough to receive the KitKat update, but your diminishing battery and scratched up screen have seen better days. When you upgrade ...more

Apple's latest big software update includes an entirely new Apple app, a controversial change in the TV app, better Siri control, an improved Shortcuts app, interesting Safari upgrades, Apple Music Sing, and more. Keep reading to see what iOS 16.2 has to offer your iPhone. Th ...more

The long wait is over — the best augmented reality device on the planet is finally available. Update #2, Friday, 12:45 p.m. ET: Yesterday's Microsoft HoloLens 2 announcement was welcome news for many but still left some eager developers scratching their heads in confusion as ...more

While there aren't as many ways to customize your iPhone like there is on Android, there are still a lot of apps out there that can help streamline and enhance your experience beyond Apple's own default options — and we've hand-picked over 100 essentials. No matter if you've ...more

WonderHowTo favorite NurdRage once again triggers the inner mad scientist in all of us (well, all of us WonderHowTo-ians at least). Below, watch what happens when steel wool- found in every common household Brillo Pad- is lit on fire. "Normally we do not think of iron as bein ...more