Function: 9 Frequency Vibration Color: Red Size: 14.3 * 6.5 cm/5.7  * 2.55 inch Net Weight: 173 g/0.38 lb/6.1 oz Power: Lithium battery/200 mAh/5V Material: ABS + TPE Package: Color Box Further: Waterproof/APP Smart Package Size: 18.6*9.15*8.1 CM