Name:Basic Type Single Vibration male ring Material: ABS+Silicone Function: 10 frequency modes of vibration Size: 57.8*28.8*66mm Inner diameter 30*34mm Feature:Powerful strong vibration Charging time: 90 minutes Working time : 60 minutes Power Supply: magnetic USB charging Volume: <60dB Waterproof level: IPX6 Color:Maroon ,Black & Customized
