Function: 10 Frequency Vibration Color: Black Size: 24.7 * 2.5 cm/9.7" * 0.98" Insert Length:  S: 14.8 cm/5.8"   M:10.8 cm/4.3" Net Weight: 60 g/0.13 lb/2.1 oz Power: Rechargeable Material: ABS + Silicone Package: OPP Bag Further:...