Function: 9 Frequency Vibration Color: Rose/Pink Size: 21.1 * 3.3 cm/8.3  * 1.3 inch Net Weight: 84.6 g/0.18 lb/2.98 oz Power: Lithium battery/3.7V/400mAh Material: ABS + Silicone Package: Color Box Further: Waterproof Package Size: 20 x 7.15 x 4.65 CM