Shure BLX14/SM31 Wireless Microphone System for Fitness: 14-Hour Battery Power
Shure BLX14/SM31 Wireless Microphone System for Fitness and Aerobics – 14-Hour Battery Life, 300 ft Range | Includes SM31 Fitness Headset Mic, Single Channel Receiver | H10 Band (BLX14/SM31-H10) Wireless Frequency Band: H10 Band (requires regional compatibility check) Microphone Type: SM31 Fitness Headset Microphone Operating Range: Up to 300 feet (100 meters) Battery Life: Up…