Features: Double sided heating technology keeps your hands warm in cold weather, with a rapid heating time of about 8 second, allowing you to enjoy long time comfort without waiting. Intelligent temperature control, providing three temperature control option (45 ℃, 55 ℃, 60 ℃), and equipped with temperature display, ensuring that you can always control the optimal temperature. Efficient insulation performances, continuous and even heating of the whole machine, keeping your hands warm throughout the day in winter. Large capacity battery life, using advanced battery cells, strong and long time service life, ensuring warmth for you at any time during outdoor activities or travel. Designed to fit the touch, suitable for daily warmth, dispelling cold, and perfectly adapting to outdoor heating needs, it is an ideal companion for activities such as golf and camping. Specifications: Product Name: Magnetic split charging velvety cloth hand warmers Product size: 106.8x31.8x34.6mm/4.2x1.25x1.36inch Color: refer pictures to selection please Battery: 3000mAh Power: 4.5W Input: DC5V1A Voltages: 4.2V Heating temperature: 45/55/60℃ Component:ABS+aluminum alloy+electronics+velvety cloth Package Includes: 1 Piece Magnetic Hands Warmer 1 Piece Charging Cable 1 Piece Manual note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution.