But not so with the Go Warmer. This lozenge shaped device is not only a USB power bank that can keep your mobile devices topped up, but is also doubles as a miniature heater that the manufacturer ...

a pair of Oocoopa UT3 Lite Magnetic Rechargeable Hand Warmers. With USB charging and multiple temperature levels, these compact hand heaters keep my palms and fingers toasty for hours. When their ...

A USB 'out' port means you can use this as a ... There are some key benefits over the hand warmers that you boil to heat up – namely, you can switch this on and off as required, you get a ...

Just because something is adorable doesn't mean it's not doing any work. These are the cutest tech gadgets around and they're as practical as they are precious.