Remote Control Cock Ring. 

Features: 
- 10 Mode Vibration 
- Waterproof 
- Safe Silicone 
- USB Rechargeable 
- Anal Vibrator With Penis Rings 

Instruction: 
Long press the power button for 2 seconds and the motor vibrates once to prompt the user to turn on the product and the standby state, and the LED light is on. Click the "on" button to activate the vibration function, and then click this button to switch modes, 10 frequency cycles. 
When the main unit is in the standby state, click the remote control button to activate the vibration function, and then click to switch the mode; when the main unit is in the working state, click the remote control button to switch the mode. Press and hold the remote control button for 2 seconds to turn off the host function and enter standby mode. 
When working or in standby mode, press and hold the power button of the main unit for 2 seconds, then turn off the power.