XVive U45T9 In-Ear Monitor Bundle T9, digital wireless in-ear monitor system, simple and uncomplicated operation for easy plug-and-play use, slim, lightweight body pack attaches easily to a belt or guitar strap, incl. high-quality T9 in-ear monitor headphones, integrated, rechargeable lithium battery, range up to 30 m / 100 ft. (without interference), 6 switchable channels, frequency range 20 Hz - 20 kHz, 5.8 GHz ISM worldwide open band, 110 dB signal to noise ratio (dynamic range) provides clear, detailed audio signal at any volume, up to 5 hours of battery life on a full charge, power switch on the transmitter and receiver, Aux/Line switch on the transmitter selects between Line (+4 dBu) and Aux (-10 dBV) level, clear and focussed mono audio setup, XLR male input on transmitter, 3.5 mm stereo jack output on the receiver, molded plastic and cast metal housing for transmitter and receiver, incl. USB Type-A to Y-USB Type-C charging cable, USB Type-C charging port, set includes 1x transmitter, 1x receiver, 1x T9 In-Ear Monitor Headphones, carrying cases for Transmitter/Receiver and In-Ear Monitors, 1x XLR male to 1/4" (6.3 mm) TS male adapter, 1x 6.3 mm stereo jack to 3.5 mm mini jack adapter, cleaning too, pieces in 3 different sizes and materials