Men's heating underwear OBSMR302-2

Fabric type: 65%Cotton, 30%cotton Dacron, 5%spendex Color: gray
Style: Men, long jions Specifications: 165-180(cm)
Charger: one piece Carbon fiber heating piece: 3 pieces
Battery: 1 block capacity 4400mAh, voltage 7.4V Main functions: Intelligent heating, keep warm