Function: 2 Speeds 9 Frequency Vibration Color: Pink Size: 22.3 * 3.8 cm/8.8" * 1.5" Net Weight: 248 g/0.55 lb/8.7 oz Power: Lithium battery/3.7 V/800mAh Material: ABS + Silicone Package: Color Box Further: IPX7 Waterproof,USB Charging Package Size: 25x 9.15x 5.15cm