Method：
（1） Just support the sound resource, which output power should be 3.5.
（2） Open control box and Put into 2 pcs “AAA”battery.
（3） Switched the light on, headphones will be vibrated lightly. If adjust the switch to 2 channel, the headphone will be vibrated heavily.
（4） Adjust to conformable volume by adjusting volume controller.

Details:

Headphone:
Driver Unit：Φ50MM
Frequency Response:：20HZ-20,000HZ
Impedance:32Ω
Sensitivity: 120dB±2dB
Max Output Power:120mW
Surge:8Ω

Microphone:
Driver Unit：6*5
Impedance: 2.2KΩ
Sensitivity:-54 dB±2dB
Frequency Sound Range: 30HZ-16,000HZ
Connector Port: 3.5mm Stereo
Cord Length: 2.5M

Features:
In order to compensate the shortage of traditional earphones, the vibration earphone adds vibration function so that the user feel more verisimilar.
Also, If you are busy, the earphone will give a ear rub to eliminate tiredness and health care.

Attention:
(1) Please use the headphone correctly.
(2) In order to avoid Harm hearing, please don’t use big volume for long time. Also, the earphone must be dustproof, moistureproof to protect structure and function.
(3) Please replace battery in time.
(4) In order to avoid erode electronic part, please take out batteries if you don’t use the earphone for a long time.