unction: 9 Frequency Vibration Color: Black Size: 13.2 * 2.5 cm/5.2" * 0.98" Net Weight: 101 g/0.22 lb/3.6 oz Power: Lithium battery Material: ABS + Silicone Package: Color Box Further: IPX7 Waterproof, USB Magnetic Charging Package Size: 17x11.65x5.15cm