Snow Deer Heated Glove Liners for Men and Women, Rechargeable Electric Battery Heating Riding, Ski Snowboarding, Hiking, Cycling and Hunting Thin Gloves Hand Warmer Arthritis and Raynaud's

The heated socks include a pair of lithium-ion rechargeable 7.4V 2200mAh batteries. The electric socks will last up to around 6.5 hours on the lowest setting, 3-3.5 hours on the medium setting, and about 2 hours on the highest. If you need to do sports or work outside for a very long time, suggest buying extra batteries (sold separately).The electric heated socks with a 3 heat setting controller allow easy access to the 3 heat settings. Red LED color is a high setting, White LED color medium setting, Blue LED color is low setting.The heating socks are made with Supreme Quality Thick Material and Ergonomically knitted with padding for maximum comfort and protection. It Used to Keep the Winter Socks Warm and Breathable with Elastic Sewing for Comfortable Movement.The Rechargeable Battery Heating Socks' Heating Elements Covers Whole toes which are mostly needed warmth. No need to worry about the cold in winter anymore.