Ergonomically curved, premium Silicone body forming massager features 5 functions of vibration, pulsation and escalation. With instant on /off button and travel lock feature. After a complete charge in 2.5 hours, the device will run on highest speed for 30 minutes, and on lowest speed for 2.5 hours. USB rechargeable, with charging cord included. Measures 5 in. by 2 in.