Function: Vibration Sex Delay Ring Color: Red/Blue/Cyan Ring Dia: 3.2 cm/1.3" Net Weight: 13.5 g/0.03 lb/0.5 oz Power: 3 LR41 Material: Silicone + ABS Package: Color Box Further: Waterproof Package Size: 8.5 x 4.5 x 3 cm