My super power is wrapped around my little finger...Totally self-contained power packed finger massagerEasy-to-operate, large/extra large Silicone finger massager with stimulating pleasure nubs10 functions of intense vibration, pulsation and escalationBody safe SiliconeSecurity travel lock hold for 2 seconds to turn on or offUSB rechargeable charging cord includedComplete charge in 1 hourRuns 55 minutes on high speed and 75 minutes on low speedDimensions:Arouser: 4 x 1.5 in.Package 2.5 x 5.5 x 7.75 in.