Specification: Item Name: USB Heated Gloves Gender: Unisex Size: One Size Fits Most Material: Acrylic Fibers Cable Length: 128cm / 50.4" Gloves Size: 11x15cm / 4.33x5.91" Charging Voltage: 5V Heating Temperature: 40(5)C Color: White,Black,Dark blue,Coffee,Light purple,Light blue Features: [DOUBLE-SIDED HEATING] : With heating pad on both sides, these gloves warm your palm and hand back simultaneously to drive faster temperature rises, and make hand all around warmed evenly. Say goodbye to frozen hands in cold winter [SAFE 5V USB POWER SUPPLY] : 5V USB powered, low voltage design and safe to use. Just plug it into a 5V USB port and ready to use. The heating temperature is 40-50C, keeps your hands warm but not hot. please noted Gloves can be hand washed directly without removing the inner heating pads. DO NOT rub the gloves too hard when cleaning to avoid damaging heating pieces;Pls unplug the power cable timely when not in use. [INCREDIBLY GREAT QUALITY] : Made from quality acrylic fibers, ultra-soft and elastic, offers excellent flexibility to ensure your hands and fingers free to move. Delicately knitted and hemmed makes it durable for years use. [HALF FINGER GLOVES W/ FINGER COVER] : Its half finger designed for typing or gaming, but with a finger cover folded on back, release the button to unfold the finger cover to keep finger tips wrapped in warm when not typing. [A MUST-HAVE IN WINTER] : Used under scores of occasions in winter or cold autumn, suitable for gaming, typing, operating the mouse, and more other situations such as work, play, skiing, riding, hiking, outdoor exploring, etc. Package Includes: 1 x Pair of Heating Gloves 1 x USB Charging Cable Note: Please allow 1-3cm (0.4-1.18") difference due to manual measurement and slight color variation for different display setting. Thank you for your understanding, nice day There is no battery inside, the Electric Gloves need to be connected to power bank to keep heating. Please note that before you buying.