Main Materials: Medical Grade Silicone +ABS
Battery Capacity: Li-Battery3.7V/800mAh
Weight :170g
Size: 224*42*65mm
Vibration mode: 2*9 vibration modes
Charging Time: 2H
Working Time: ≥1.5H
Charging Mode :USB Charging
Max Noise :≤40db
Waterproof :100% Waterproof