Function: 10 Frequency Vibration Color: Red Size: 22.7 * 3.7 cm/8.9  * 1.45 inch Net Weight: 186 g/0.41 lb/6.6 oz Power: Lithium battery Material: ABS + Silicone Package: Color Box Further: Waterproof Package Size: 23.5*8.0*3.9 CM