Operating mode: The V-shaped angle can be adjusted from 26-75 degrees, and the 5 function modes can be adjusted from 1-8 gears 1 automatic massage mode 2 kneading modes 3 massage modes 4 acupuncture modes 5 bump modes Blue light whitening and acne removal Red light wavelength 630nm Blue light wavelength 470nm Instructions for use: Long press the switch button, turn it on, the buzzer will sound, and set the default automatic working mode (automatic mode automatically switches massage-kneading-acupuncture-beating mode every 10 seconds), short press the switch to switch to automatic mode-massage-kneading- Acupuncture-beating switch, switch to the next mode, the default intensity is 1, short press the plus and minus keys, the intensity can be adjusted from 1 to 8, and the buzzer will sound once during each button operation. Battery capacity: 450mah (charging for 2 hours, can be used 12~15 times, 15 minutes each time) Output voltage: 3.7V Maximum power: 7W Quiescent current: 100uA