... cute shape; 3.CE/RoHS certificate. 4. With 1800mA li-battery can keep warm for 7-8 ... body's adaptive immune force.Using High-performance battery with smaller size, greater capacity, more environmentally feather, ... use the product for a long time to direct contact with the fixed position of the skin or use ... blankets, stoves and so on. Factory direct sale hand warmer wholesale with CE&ROHS approval