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 ...

Rechargeable hand warmers charge from a USB port on a laptop or wall outlet, and many of them can also work as a backup battery for your phone. This kind of hand warmer makes the most sense if you ...

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 ...

Powered via USB, it an average of 4.2 stars from more ... you can easily shove them inside your pockets for long periods. Unlike other hand warmers in the market, these use artificial intelligence ...