RESQME 01.1300.01 Black Alertme Deluxe Lifesaver Alert (Stay Awake and Stay Alive. Avoid Drowsiness While Driving. Mercury Free and FCC Approved) 3 in 1 multi-function alarm: alert with vibration, alarm or both Compact lightweight design for a comfortable fit behind the ear Rechargeable with USB cable or car charger Car charger and USB cable included FFC approved - CE and Mercury free