The Shure BLX14/B98 Wireless Instrument System combines professional-quality sound with simple setup and and up to 14 hours battery life for legendary audio performance right out of the box. The system includes BLX4 tabletop single-channel receiver, BETA98H/C gooseneck instrument microphone with BLX1 bodypack transmitter, clip-on clamp, power supply, 2 AA batteries, and user guide.