Yes, but only with certain Android telephones. It is not possible to use iPhones. It is necessary to buy a USB 2.0 cable with Micro-B male plug to Micro-B male plug, OTG functionality. (On-The-Go). This cable is available in different lengths from various electronics shops or web shops. Connecting the telephone and the N90Q with this cable will usually open for digital signal transmission immediately, and the amber charging button on the N90Q will light up as an indication of open connection. (Please note that N90Q can play digital signals from some Apple computers, Macbook, iMac etc.)