Shure BLX Wireless Systems deliver top-notch sound quality and straightforward setup for a hassle-free performance. Available in different models, they are the perfect way to own the stage. System includes: PGA31 Headset Condenser Microphone for bodypack wireless, BLX1 with 14hrs of battery life, 300 ft (100 m) range, BLX2 Handheld transmitter with PG58 mic, and BLX88 Dual channel receiver with antenna diversity.