Material: Silicone Colour: Black Remote Control: Yes Vibration: 10 Speeds Length: 13.5 CM (5.3'') Insertable: 10.5 CM (4.1'') Diameter: 3 CM Recharging Method: USB Port Batteries in Controller: 1 x CR2032 ( Included ) One-key burst for maximum enjoyment: Yes Waterproof: Yes Certifications: CE Packaging: Card Board Box Packing List: 1 x Vibrator 1 x Controller 1 x USB Port Recharging Cord 1 x Instruction