... Aluminum Alloy Battery operated hand warmers with portable charger Feature*Power bank,compatible with Tablet PC,smart ... in dark night*Dual side heating Battery operated hand warmers,warm your hand,stomach,knee ... product for your friends.Technical parameterPower bank with LED torch and hand warmerCapacity:5200mAh Cell ... ); Tablet PC(like Ipad 2 / Ipad 3) ; Digital Cameras, MP3/4/5, PSP, USB device, etc ...