Specification Battery capacity: 1200mAh (lithium battery) Rated power: 4W Endurance of each gear: 4.5-72 hours Rated current: 1A Rated voltage: 5V Charging cable: USB Type-C Cable length: 2.6 feet (0.8m) Product material: ABS Product weight: 0.79 lb Product size: L4.88xW3.54xH8 (124X90X205mm) Instructions 1. Press on the switch button on back and the light will turn on (the color is warm white); Press on the button again to turn off the lights. 2. Infinite dimming touch button(The little man at front door): When the light is on, long press and hold to enter the infinite dimming mode. The brightness of the light will increase from the initial brightness to 100%. Release the button, press and hold again, and the light will cycle from 100% to 30%. (The light has a memory function, and when turned off and turned on again, the brightness of the light is the last adjusted brightness) Bluetooth connection operation (Speaker version only) 1. Press and hold the switch button for 2 seconds to enter Bluetooth pairing mode (there will be a Bluetooth prompt sound), and the blue light will flash (device name: LJC-167). 2. Press and hold for 2 seconds to turn off Bluetooth (There will be an sound reminder). After the Bluetooth connection is turned on, if there is no connection within 10 minutes, it will automatically disconnect. Note: Bluetooth does not affect the use of lights during operation, but it will affect the battery consumption level.