1.Input voltage: 5V ± 0.5V 2.Charging current: 350 ± 50mA 3.Input power: 1.75w (max) 4.Static power consumption: 50ua (max) 5.Working current: 300-400ma 6.Product power: 1.68W (max) 7.Battery: 3.7v/500950/170mah 8.Charging mode: USB / micro charging cable 9.LCD display: climb from 0 to 80 after startup, current battery power. 10.Key function: press and hold the power key for 1s to start the product. After starting, the LCD screen displays the current temperature. Within 2 minutes, the heating temperature of ceramic heating rod is 80 ± 10 . Press and hold the power key for 1s again to close the product.