Features：
1.Bare sleeve, hold the sleeve to adjust the tightness.
2.Sexy lips entrance, strong visual stimulation.
3.Material: Medical grade silicone
4.frequency:4-frequency rotation and 3 speeds, take care of every inch of your penis.
5.Built-in dense tongue-like flat protrusions, simulate the tongue-tip teasing.
6.Detachable device, easy to disassemble and install, the sleeve can be directly washed with water.
7.A single button controls a single function, easy operation.
8.Mode:USB charging, can be used repeatedly.
