The charger and corresponding paired smartphone communicate with one another using Bluetooth Low Energy (BLE). In the Bluetooth specification, a peripheral device can be thought of as a server - it is ...

First there is a USB charger, which slots into the 12V socket and can power two devices at once. Next, there is a Bluetooth module which slots into your car’s auxiliary cable input. Connect your ...

Bulky design, but easy to carry around. The JBL Charge 5 is a powerhouse of a portable Bluetooth speaker for those who love music and crave top-notch sound on the go. Thanks to its waterproof ...

but it also doubles as a Bluetooth speaker if you want to add some tunes to a gathering and then triples as a portable charger for phones and tablets. To get things going, there's a small on/off ...