CME Widi-XU, Wireless USB-Stick MIDI Interface, comapt. with WIDI-X8 und UF50/UF80, supporting hot plug. No driver needed. The working band is 2.4GHz ISM. USB <--> RF transmission mode. Duplex wireless MIDI data transfer. Manual switching for one-to-multi communication (auto finding and selecting). Maximum wireless transfer distance is 80m(262 feet) without obstacle. 64 radio channels for MIDI data transfer, with manual or automatic radio channel setting mode. Compatible with Cakewalk, Sonar, Cubase etc. Automatic searching, manual or automatic channel setting and other system function can be controlled by the special MIDI SysEx command from USB. Powered and Upgrade program via USB. Indicator for signal and power. WIN XP/Mac OSX.