Commodity attribute

[net weight (g)] 300

[length] 17.5

The maximum diameter of 3.3 []

[brand] Hongkong UTOO

[using power 3*7 battery

[] stepless speed vibration frequency

[] stepless speed rotation frequency

[whether] to use part of the waterproof waterproof

The actual origin [Hongkong]

[material] soft rubber

[with] original anti-counterfeiting security