1, according to ergonomic design, repeated research and development to pursue comfort and freedom without wearing, wireless involved.
2, get rid of the traditional carbon fiber heating, the heating area is larger, the temperature is suitable for the human body, safe and durable, more stable
3, T-type smooth injection hook, the hook surface is fine and smooth, the hand feels soft and does not hurt the hand to stick firmly, the adhesion is strong, the service life is long
4, our repeated experimental arguments for you to choose a more suitable safer special polymer battery