Function: Multi Speeds Vibration Color: Rose/Purple/Black/Blue/Pink Size: 5.8 * 2.5 cm/2.2  * 0.98 inch Net Weight: 50 g/0.11 lb/1.7 oz Power: 2 AAA Material: ABS Package: Color Box Further: Waterproof/Knocking Package Size: 10.5*7*3.3 CM