This item is a male masturbation device.
The penis ring is a pink colored plastic ring which is worn on the shaft of the male genitalia.
It has a compartment for inserting "button cell batteries".
To open the battery compartment, press to push out the the vibrating device as shown in picture. Open the covering of the vibrating device to access the batteries.
To start the device, press the top section to start vibration.
Model Number: LV-CK02
Function: Delay Ejaculation
Waterproof: 100% Waterproof
Certification: CE, ROHS