USB Flash Vibrates Mini Hand Warmer Mobile Power Bank
Pebble-shaped hand warmer & power bank 2-in-1.Made of high-tech aircraft-grade aluminum and ABS material, eco-friendly polymer battery. Anti-scald, Anti-skid, Explosion-proof, Radiation-free, Green and Healthy heat transfer. Handy carrying anywhere while outdoor activity. Perfect for cold weather. 5200mAh capacity can give a full charge to mainstream digital devices on market. 3 indicator lights keep informed of the remaining battery and heating status.