Product parameters:Warm the palm and back of the hand = warm on both sidesColor: blue, khaki, black, light gray, dark graySize: one size fits most people.Size: approx. 16 cm x 11 cmScope of delivery:1 pair of .1 x USB cable.Electric Heated Gloves: Full Gloves and Half-Finger Two-in-One: The half-finger design allows your fingers to move with flexibility. In addition, you can fold the finger guard on the back to keep your fingertips warm.Heating material: 40 - 50 degrees Celsius is the most suitable temperature for our body. It doesn& 39;t feel dry with our overheating. With this USB hand warmer you can also say goodbye to the cold winter. Suitable for: neutral, male and female. Size: one size fits most people. Size: approx. 16 cm x 11 cm (photo).Uses: Great for office work, computer work, games, chatting, movies, music, etc. When students are doing their homework and doing homework while watching TV, talking to family and friends or playing cards, work, study and Life indoors, but in areas. with heating, air conditioning and insufficient heatingWashing process: Can be washed with water, dried in a cool place, not exposed to the sun or baked in the oven. The product has no memory function, it needs to be connected to a USB power supply, and it does not get hot when unplugged.Note: Do not rub too hard during cleaning to avoid damage from heat. Please unplug the power cord in time when not in use.