The Shure GLX-D Beta 58A Handheld Transmitter combines the leading edge of LINKFREQ automatic frequency management technology with best-in-class Lithium ion rechargeable battery support and unparalleled design and construction. Shure GLX-D Wireless Systems define the standard for seamless ease of operation and exceptional digital audio clarity.

Features:

- Integrated microphone capsule design, featuring the legendary Beta 58A element
- Automatically links with GLX-D wireless receivers for seamless frequency changing
- Up to 16 hours of continuous, rechargeable use with Shure lithium-ion rechargeable batteries
- Up to 200 feet (60m) transmission radius (line of sight)
- Sophisticated design with durable, lightweight construction

Shure SB902 Rechargeable Lithium-ion Battery:

- Up to 16 hours of continuous, rechargeable use
- 3 hour charge = up to 16 hours use
- 1 hour charge = up to 6 hours use
- 30 minute charge = up to 3 hours use
- 15 minute charge = up to 1.5 hours use
- Accurate battery metering in hours / minutes (+/- 15 minutes) displayed on LED screen (GLXD4 only)
- Up to 13,000 hours of regular use per individual custom lithium-ion battery
- Compared against up to 2,000 alkaline batteries
- Rechargeability options
- Charge battery alone
- GLXD4 integrated charge port
- Charge a spare battery while system is in use
- Charge battery in-transmitter
- USB charge cable (included)