Function: 2 Speeds 9 Frequency Vibration Color: Rose/Purple Size: 21.3 * 3.7 cm/8.4" * 1.5" Net Weight: 135 g/0.30 lb/4.8 oz Power: Lithium battery Material: ABS + Silicone Package: Color Box Further: IPX7 Waterproof,USB Recharging Package Size: 25x 9.15x 5.15cm