Remote control and rechargeable " use alone or with a partner! 2 independently operated nipple clamps with 2 motors per clamp. 12 intense functions of vibration, pulsation and escalation. Waterproof Silicone clamps may be used independently of remote. State-of-the-art memory chip resumes on last function used. Easy push-button control " hold for 3 seconds to turn on or off. Extended 32.75"/10 m range. RED certificate included. USB rechargeable (clamps and remote) " dual charging cord included. Complete charge in 1 hour. Runs for 35 minutes on high speed and 40 minutes on low speed.