Description Specification: Model: A: (single white light) silicone headband light W689-1 style; B: (single white + red) silicone headband light W689-1 style; C: (double strip) silicone headband light W689-2 style; D: (three) silicone headband light W689-3 style; AB: W689-1 Bulb: main light COB + auxiliary light 3030 Running time: 2-3 hours Charging time: 4 hours Lumen: Main light 330lm; Secondary lamp 105lm charging Voltage/Current: 5V/0.5A White light output power: 5W Red light output power: 2.5W Side light output power: 1.6W Function: Main light, white light, strong and medium; Main light, red light, strong-medium; Secondary light, white light, strong-medium; Long press the switch for 2 seconds, white light-white light flashes; Induction mode (turn on the main switch, press the induction button to enter the induction mode); Type-cf interface charging; Battery: 1*18650800mAh (built-in battery) Material: TPU+ABS+PC Product size: 310*32*31mm/12.2*1.26*1.2in Color box size: 190*50*51mm/7.5*5.9*6in Product weight: 101.8g Color box weight: 12.1g Whole set weight: 127.4g Color: Black Accessories: Type-C data cable C: W689-2 Bulb: main light COB + auxiliary light 3030 Running time: 2-3 hours Charging time: 5 hours Lumen: Main lamp white light 450lm; yellow light 480lm; White light + yellow light 680lm; vice light 105lm; Charging voltage/current: 5V/0.5A White light output power: 6W warm light Output power: 6W Side light output power: 1.6W Function: Main light, white light, strong and medium; Main light, yellow light, strong one; Secondary light, white light, strong and medium; Long press the switch for 2 seconds, white light + yellow light, white light and yellow light flash; Induction mode (turn on the main switch, press the induction button to enter the induction mode); Type-c interface charging; Battery: 1 186501200mAh (built-in battery) Material: TPU+ABS+PC Battery: 1 186501200mAh (built-in battery) Material: TPU+ABs+PC Product size: 310*32*31mm/12.2*1.26*1.2in Color box size: 190*50*51mm/7.5*5.9*6in Product weight: 100.8g Color box weight: 12.1g Whole set weight: 126.4g Colour: Black Accessories: Type-C data cable Note: Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you Please allow 1-2cm measuring deviation due to manual measurement. Packages: 1 x Sensor Headlight 1 x Charging Cable Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.