Function: Multi Speed Frequency Vibration Color: Pink/Purple Size: 22.5 * 4 cm/8.9" * 1.6" Insert Size: 19 cm/7.5" Net Weight: 127 g/0.28 lb/4.48 oz Power: 2 AA Material: ABS + TPR Package: Color Box Further: Waterproof Package Size: 25*6*5 CM