Material: Medical Grade Silicone
Color: Yellow (Darker than picture}
Vibration: 10 Sucking Modes 
Battery: Rechargeable
Recharging Method: USB Port
Waterproof IPX4
Length: 2.65'' 
Diameter: 2.36'' 
Noise Index <60db
Charging time 2.5 Hours
Length of use: 1. 5 Hours