Two Versions: There is an on/off version and a three-mode temperature regulating version. The on/off version does not need to adjust the temperature, and it heats up when the switch is pressed. The three-mode thermostat version can be set to high temperature, low temperature, and medium temperature according to your needs. Three-dimensional Cutting Ergonomics: Three-dimensional cutting, long-lasting warmth, soft and comfortable. Sensitive Touch Screen Design: The sensitive touch screen design allows you to easily slide the phone or tablet without taking off your gloves. Inside Design: The inside Cambbiy is filled with coral fleece cotton, and the circulatory heat preservation and heating keeps warm. The heating is continuous and the heat is higher than other gloves. Carbon Fiber Heating Wire: Uses carbon fiber heating wire, long service life, and high heat energy conversion efficiency. (Note: The correct way to use this product is: use a 5V 2A mobile power supply or any other power supply product that can match a USB plug. The reason is that this product cannot have a built-in battery, so it cannot store electricity. Secondly, this product is a USB plug. The switch is on the USB cable.) Specifications: Name: USBChargingHeatingGloves Size: Glove length: about 27cm/10.63in Finger length: about 10cm/3.94in Palm: about 12cm/4.72in Product fabric: high-quality buckskin Product inside: coral fleece The product needs a 5V 2A mobile power supply to generate heat (this product does not include a mobile power supply) Packing List: 1 * Pair of Gloves 1 * USB Cable Notes: Due to the lighting effects and shooting angles, there is color difference in the product, please understand. Due to manual measurement, there is a tolerance in the product size.