Function: 7 Frequency Suction With 4 Level Strength Color: Black + Clear Size: 29.2 * 6.9 cm/11.5  * 2.7 inch Insert: 11.5 cm/4.5 inch Power: Lithium battery Material: ABS + Silicone Package: Color Box Further: IPX7 Waterproof Package Size: 36.5*7.5*7.5 CM