＊ Brand new, unopened product ＊ Immediate purchase welcome, no need to ask ＊ Unspoken purchase OK 【10-second instant warm-up, includes 5V 4000MAH battery, 3-level temperature control, and electric heated gloves that warm to the fingertips】 These heated gloves use composite fiber heating wires, which are installed inside the gloves to wrap around the fingers all the way to the fingertips. The package includes two 5V 4000MAH rechargeable batteries, with a heating duration of approximately 4 hours and a full charge time of about 3 hours. Regarding the warmth you're most curious about, you'll feel warmth inside the gloves within about 10 seconds of pressing the power button, and your entire hand will be warm in just 3 minutes! The outer material uses breathable polyester, and for safety, reflective material is used on the back of the hand to reflect light sources, making it useful when walking on dark roads. Two reflective materials are used to protect you when going out at night or riding a motorcycle. The inside uses fleece material to maintain heat retention, and it's warm enough even without connecting to the power. This is truly a highly functional heated glove that warms efficiently. 【Package Contents & PSE Certification, Quality Guarantee】 "1 pair of heated gloves, 1 micro USB cable, 2 5V 4000MAH rechargeable batteries, 1 Japanese instruction manual." Passed the Electrical Appliance and Material Safety Law (PSE) conformity inspection.