描述
- Made of safe medical material, and non-poisonous.
- Has a waterproof and ultra-silent design.
- Adjustable vibration frequency, can be repeatedly used for a long time.
- Secret packaging
Material: Medical Silica Gel + ABS Battery: USB Cable (included) Size:22.5x3.5cm/8.86x1.38'',USB cable length:100cm/39.37''(approx)  
