Material: Medical Silicone
Item Type: PENIS PUMP
Function: 3-speed cycle + 4-speed pressure maintaining and sucking + one-button deflation
Air pump: 370 fully waterproof air barrier membrane + waterproof solenoid valve
Barrel height: 20cm
Barrel mouth diameter: 6.5cm
Silicone ring diameter: 2cm+2.5cm (+0.2cm)
Material: silicone+ABS
Working voltage: 3.7V
Charging time: 2.5 hours
Working time: 2-2.5 hours
Charging: USB magnetic charging
Noise: less than 60db