Two Versions: There is an on-off version and a three-gear temperature regulating version. The on-off version does not need to adjust the temperature, and it will heat up when the switch is pressed. The three-gear 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 Designs: The sensitive touch screen designs can make you easily slide the phone or tablet without removing the gloves.Inside Design: The inside Cambbiy is filled with coral lint 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: Using 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:USBChargingHeatingGlovesSize:Glovelength:about27cm or 10.63inchesFingerlength:about10cm or 3.94inchesPalm:about12cm or 4.72inchesProductfabric:high-qualitybuckskinProductinside:coralfleeceThisproductneedsa5V2Amobilepowersupplytogenerateheat(thisproductdoesnotincludeamobilepowersupply)PackingList:1xPairofGloves1xUSBCableNotes:Duetothelightingeffectsandshootingangles,thereiscolordifferenceintheproduct,pleaseunderstand.Duetomanualmeasurement,thereisatoleranceintheproductsize.