GlucoTrack is battery-operated and includes a Main Unit, which contains display and control features, as well as transmitter, receiver and processor, and a Personal Ear Clip (PEC), which is clipped to the earlobe and contains sensors and calibration electronics. The device is small, light and easy to use and handle. The Main Unit can be shared by up to three users (in model DF-F), although each user requires his/her own (individually calibrated) PEC. The device includes a USB port for data downloading (enables off-line analysis), as well as battery recharging. Not yet approved in the U.S.