Specification：
Size: 8.5 * 1.8
Battery: rechargeable
Storage temperature: 0-40℃
Material: ABS environment-friendly material
Surface: matte finish/plating
Weight: 22 g
Noise volume: less than 55 db
Fetures: Classic bullet design/Strong vibration/Small and portable/Quiet and waterproof
How to operate:
Long press to start
Short press to change vibration frequency
Long press to end the vibration and turn off
