Xiaomi's Mi Band 3 is water resistant to 50 meters
The super cheap wearable has a bigger OLED screen with a higher resolution.
Apple offers $50 credit if you paid for a new iPhone battery last year
It only applies for replaced batteries in iPhone 6 or later.
Android P taps AI to help save your battery life
The so-called "Adaptive Battery" will shut down apps it doesn't think you'll open soon.
Google Pixel 2 users report warming phones and shortened battery life
They say the issues popped up after installing this month's security update.
Google Maps may let you share your battery life status
Friends might not panic if your phone dies.
Spire's health tracker sticks on clothes and never needs charging
It's totally waterproof so it'll survive the laundry.
Apple Watch Series 3 can stream up to seven hours of music over LTE
And up to five hours of live radio.
Apple's AR efforts will only work if the battery can keep up
Lessons from 'Pokemon Go.'
Jabra's latest wireless earphones promise 18 hours of sound
One-touch access to Siri and Google means your phone can stay in your pocket.