10 function4 interchangeable sleevesWaterproofPhthalates freeRoHS compliantMaterial: SiliconeSizes: Vibrator: Length - 3.25, Width: 1.675, Attachments: 1: Length - 3.25, Width - 5.875, 2: Length - 4.25, Width - 2.125, 3: Length - 2.5, Width - 2, 4: Length - 2.375, Width: 1.25Rechargeable: Charging time = 1.5 hrs. Working time = 50 mins.