1 Pair USB Hand Warmers Cute Heating Gloves Half Wearable Fingerless Features: Very nice and comfortable warm gloves, fashionable! The quality is good! In the cold winter to bring you a warm Soft soft soft feeling, comfortable, fit for office workers, children, girls. These versatile hand warmers turn into finger-less gloves so you can keep your hands warm while testing or dialing or browse or your troops. PC, Max and most USB enabled devices. Convenient for office or use. This USB Hand Warmer heated Gloves uses advanced carbon fiber heating technology, beautiful and safe. Product Description: Working voltage:5V+-0.5V Temperature: 40 degrees Celsius+-5 degrees Celsius Size:Suitable for 8.5cm palm Instructions 1. Need connect the USB cable to the Power bank or Computer. 2.gloves input: 5V-600MA. 3.Please disconnect the USB line from the computer when you leave, to ensure. Package content: 1 pair USB Hand Warmers finger-less Heated Gloves 1 pc charger cable