You can use ato keep you hands warm in winter, but if you also want to charge your smartphone on the go, the Macaroon hand warmer with may be a nice solution.
This is a pretty cool and versatile USB hand warmer inspired by macaroon. The hand warmer measures 69.5mm in diameter and 32mm in height, weights 82g, and as we can see from the images, it looks really like a macaroon but features a durable ABS casing for protection, and the USB hand warmer senses your breath and begin to warm your hands for conserving power. Moreover, in addition to warming your hands, the built-in 2000mAh backup battery is able to charge your mobile devices with ease. Apart from that, the USB warmer ships with a pouch and a charging cable.
We have no idea when the Macaroon hand warmer with backup battery will be available, but if you’re interested, jump to Sty!epie official site for more details.
via Yanko Design