Function: 10 Frequency Vibration Color: Rose/Black Size: 9 * 4 cm/3.5" * 1.5" Net Weight: 45 g/0.1 lb/1.5 oz Power: Lithium battery Material: ABS + Silicone Package: Color Box Further: Waterproof/Wireless/APP Control Package Size: 12*4.5*8 CM