How to Use: 1.Open the earphone plug and insert the earphone plug into the earphone socket. 2.Turn the height adjustment knob counterclockwise to the highest position. Rotate the front and rear adjustment knobs back to the maximum position, wear the product on the head, adjust the front and rear adjustment knobs to the most comfortable position; adjust the head top height adjustment knob until you feel the head pressure is moderate. 3.Keep touching the power button with your finger for 2 seconds to turn on the product; the voice broadcast "automatic mode". After 2 seconds, play the music that was played when the machine was turned off last time. 4.Touch the power button for less than 1 second to change the massage mode. Operate the key once, and the music will be paused for 2 seconds, and the current mode will be broadcast by voice. When the current mode has the music function, the music will be automatically resumed. 5.In the current mode, if there is a music function, operate the following buttons to adjust the music track and adjust the volume. Keep touching the "sss+" key for more than 2 seconds, the volume will increase; if the touch time is less than 1 second, the next song will be played. Keep touching the "sss‑" key for more than 2 seconds, the volume will decrease; if the touch time is less than 1 second, the previous song will be played. 6.You can also use wireless remote control to control temperature, mode, music, etc. Specification: Item Type: Electric Head Massager Material: ABS Host Built In Battery: Lithium Battery 2000mAH Remote Control Battery: 1 x Button Battery (Not Included) Remote Control Battery Model: CR2032 Package List: 1 x Head Massager 1 x USB Cable 1 x Manual 1 x Remote Control