Function:7 Modes Vibration/Memory
Material:Silicone
Color:Black
Power:USB Charging
Charging Time:60 minutes
Battery Life:40 minutes
Further:IPX5 Waterproof
Product Size:69x46mm/2.72x1.81 inches
Packing Size:165x110x60mm/6.5x4.33x2.36 inches
Packing:Color Box
Packaged Weight:0.2kg