... warmer 5200mah Li-ion battery Aluminum Alloy Battery operated hand warmers with portable charger Feature*Power bank,compatible with Tablet PC,smart phone, ... 50m far away in dark night*Dual side heating Battery operated hand warmers,warm your hand,stomach,knee,neck.The ... is healthcare product for your friends.Technical parameterPower bank with LED torch and hand warmerCapacity:5200mAh Cell type:Li- ...