Main Materials: Medical Grade Silicone +ABS
Battery Capacity :Li-Battery3.7V/400mAH
Weight :115g
Size :180*51*39mm
Vibration mode: 9 vibration modes
Charging Time :1H
Working Time: 1H
Charging Mode: USB Magnetic charging
Max Noise: ≤40db
Waterproof :100% Waterproof