Function: 1 Frequency Vibration Color: Rose/Purple/Black/Blue/Green Size: 12 * 2.5 cm/4.7" * 1.0" Insert Length: 10 cm/3.9" Net Weight: 72 g/0.16 lb/2.5 oz Power: 3 LR44 Material: ABS + Silicone Package: OPP Bag