Specification: Item Name: USB Heating Gloves Charging Interface: USB Port Rated Voltage: DC 5V Rated Current: 0. 76A Heating Mode: High: 47~ 55°C; Middle: 43~ 47°C; Low: 40~ 45°C Material: Acrylic Fibers Product Size: One Size Fits Most Color: Black, Gray( Optional ) Note: The heating temperature displayed is tested under circumstance of rated 5V 2A. Due to different environment of usage and personal feeling of temperature, the heating temperature of gloves may vary. The temperature data is for reference only. Usage: 1. Connect the power cord to the gloves through the DC connector. 2. Connect the USB port on the power cord to the USB port of the computer, USB charger or mobile power supply. 3. After pressing the switch, the product begins to be heated ( the switch order is low- medium- high three gears ). Please select the appropriate temperature gear to heat. Attentions: 1. The rated power of the product is 5V 0. 76A, please do not use mobile power, charger or USB power port with voltage higher than 5V 2A to power this gloves. 2. When the output voltage exceeds 6V, it will cause irreparable damage to the switch on the power cord. 3. Please cut off the power immediately when not in use. 4. The elderly and children should use it under under guardianship. 5. Please remove the heating piece when cleaning. Gloves can be cleaned separately. 6. If the heating piece gets wet, please dry it before using it. Package Including Package Included: 1* Pair of Heating Gloves 1* USB Charging Cable