... Li-ion battery Aluminum Alloy Battery operated hand warmers with portable charger Feature*Power bank,compatible with Tablet PC,smart phone,MP3,MP4 ... is healthcare product for your friends.Technical parameterPower bank with LED torch and hand warmerCapacity:5200mAh Cell type:Li-ion Input:5V ... Iphone/Nokia/ HTC/ Sumsung); Tablet PC(like Ipad 2 / Ipad 3) ; Digital Cameras, MP3/4/5, PSP, USB device, etc ...