Special Price! Walk Freely! Electric Foot Warmer with 3-Level Temperature Adjustment, Heats Up in 30 Seconds, Cold Weather Protection, NTC Overheat Protection, Indoor Slippers, Includes 2 x 8000mAh Batteries, Washable, Unisex, Foot Warmer with Japanese Instruction Manual. Temperature Sensing in 3 Seconds! Electric Slippers (Gray, Cordless, L) ‐ Mercari: Shop from Japan