Function: 2 * 9 Frequency Vibration Color: Rose/Purple/Black Size: 23 * 3 cm/9.0" * 1.1" Net Weight: 92 g/0.2 lb/3.2 oz Power: Lithium battery/3.7V/140mAh Working time: 60-90 minute Charging time: 90 minute Noise: <40 Decibel Material: ABS + Silicone Package:...