Material: Milk Silk PVC Battery capacity: 2000mAh/piece Product input: 5V0.5A, charging time: 2-3 hours, use time: 3-5 times (the number of times depends on the power consumption of the gear you use) Three-speed temperature adjustment: red light 55C, blue light 50C, green light 45C, 15 minutes automatic power-off protection. Packaging accessories: a pair of gloves, Type-C charging cable*2, English manual*1. Functional features: 1. Smart electric heating gloves in autumn and winter, universal half-finger gloves, three-speed temperature adjustment, intelligent heating conductivity, hot compress artery heating, warm-sensing hot compress flows to the fingertips, warming up the whole body; 2. Widely used, reading and writing, daily hand warming, winter office, game hand warming, etc.; 3. Smart aggregation chip, protect the core link, 15 minutes automatic power-off protection function, prevent overcharging of power, intelligent temperature control, 3 seconds fast heating; 4. One charge, lasting warmth;