– 1.5/3.75 cm (ring diameter)- 3.5 x 2.25/9 cm x 5.75 cm (overall)- Stretchy and comfortable vibrating couples enhancer- 7 functions of vibration, pulsation and escalation- Enhances stimulation for you and your partner- Luxurious body safe Silicone- USB rechargeable (charging cord included)- Complete charge in 70 minutes- Enhancer will run on highest speed for 2 hours and on lowest speed for 3 hours- Easy touch push button control hold for 3 seconds to turn off- Silicone (enhancer) ABS with Silver Plating (decor)