- Intermittent suction at your desired vacuum strengthen the effect of exercise and bring incredible stimulation. - All exercise data is clearly displayed on the LCD screen - Enjoy realistic suction and deep-throat stroking action at the same time. - USB rechargeable - Easy to disassemble and clean - Total length: 31.5 cm - Insertable length: 24.5 cm - Cylinder inner diameter: 3.1 cm - Materials: ABS, PS, TPE - Charging time: 120 mins - Running time: 120 mins