The Shure GLXD14+/SM31 is a professional-grade digital wireless headset microphone system designed for active speakers, instructors, and performers. This system pairs the durable SM31 fitness-style headset with the GLXD1+ bodypack transmitter and GLXD4+ tabletop receiver, operating in the globally license-free 2.4/5.8 GHz dual-band spectrum to avoid interference and deliver crystal-clear audio. The SM31 features a moisture-repelling design and secure fit ideal for fitness and speaking applications. With automatic frequency management, intelligent rechargeability, and up to 12 hours of runtime, the GLXD14+/SM31 offers reliable performance for integrators, AV pros, and fitness facilities seeking a wireless headset system that balances clarity, comfort, and convenience.

• 1 PS43 Power Supply
• 1 SB904 Lithium-Ion Rechargeable Battery
• 1 Black Carrying Case