Function:10 Modes VibrationMaterial:SiliconeColor:RedPower:Magnetic USB ChargingFurther:IPX5 WaterproofFlower Size:33x34mm/1.3x1.34 inchesRing Size:28x28x14mm/1.1x1.1x0.55 inchesRing Inner Dia:20mm/0.79 inchesPacking Size:353x125x93mm/13.9x4.92x3.66 inchesPacking:Color BoxPackaged Weight:0.14kg