Matertial: Silicone, Metal
Vibration modes: 20 modes
Charging: Polymer Battery
Waterproof Level: 100% Waterproof
Noise : Less than 50 db
Use time: 1 hour
Vibration modes: 20 modes
Charging: Polymer Battery
Waterproof Level: 100% Waterproof
Noise : Less than 50 db
Use time: 1 hour