Using your phone on frosty days is easier with these half-finger mittens. Traditionally knitted, these mittens are soft and comfortable with lots of free space for movement. Easy to use, just open the inside of the glove and take out the heating sheet inside. Uses USB 5V low voltage, environmental protection, energy saving, safe and reliable. Temperature can reach a comfortable and warm 42c within a short period. Keep yourself warm while saving yourself from high energy bills this winter with our USB-heated rechargeable mitten gloves. These USB-heated rechargeable mitten gloves come in various colours and make perfect winter gifts for family and friends. Get yours for only £11.99. Free UK Tracked shipping. Buy Now!