Android works with tons of affordable add-ons. Here are five sub-$30 picks that add handy controls, better sound, tracking, charging, and more.

A hobbyist developer's new app, which can detect nearby smart glasses, comes amid resistance to always-on recording and listening devices that invade people's privacy.

The best Bluetooth speakers make it effortless to bring your music wherever you go, whether you're carrying tunes from the kitchen to the backyard or heading out for a weekend trip. With no cords to ...

If you're willing to learn a few new skills, or if you're already handy with electronics, you might be able to get your 90s car phone working again.

A simple, cross-platform solution ...

Channel Sounding, for example, lets Bluetooth devices like trackers and smart locks find each other more easily and accurately. But you'd be forgiven for not knowing anything about it.

Scrolling and streaming suck plenty of power on today's Android phones. Here's how to squeeze the most juice out of your battery, including a new option to monitor battery-hungry apps.