Description
Main material: medical silicone
Color:black red
Battery capacity: Li-ion 3.7V/420mAh
Weight:233g
Size:139mm*65mm*58mm
Vibration frequency: 9 kinds of vibration mode
Charging time: 2 hours
Working time: 0.5-1.5 hours
Charging mode: magnetic USB charging
Maximum noise <50 db
Waterproof performance IPX7
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