Function: 1 Frequency Vibration Color: Purple/Black/Red/Pink Size:  S: 10.3 * 4 cm/4.1" * 1.6" M: 13 * 5.7 cm/5.1" * 2.2" L: 17 * 7.8 cm/6.7" * 3.1" Net Weight:  S: 60 g/0.13 lb/2.1 oz M: 105 g/0.23 lb/3.7 oz L: 185 g/0.4 lb/6.5...