From manufacturer description on Amazon:
- 【96-CHANNEL】One transmitter triggered by one receiver which can used for multiple devices working together, Adjustable RF signal strength or auto-scanning for quick channel selection to A/B group.With LCF low cut filtering mode and Manual / Auto IR sync.
- 【EASY TO CHARGE】Built-in rechargeable lithium battery, Standby time up to 10 hours, and a MICRO USB interface at the bottom, it’s pretty convenient for charging.
- 【REAL-TIME MONITORING】With real-time monitoring at the end of Receiver end and Transmitter power monitor functions.Mono/Stereo output modes switchable and 16 levels volume adjustment.
- 【LONG WORKING DISTANCE】Working distance up to 394 feet(120 meters) (in open area, up to 263 feet(80 meters) in barrier area). With audio dynamic display bar on LCD display screen. GroupA Wireless Frequency:520.000MHz~548.500MHz. GroupB Wireless Frequency:550.000MHz~578.500MHz.
- 【ADJUSTABLE RF SIGNAL STRENGTH】The CVM-WM300 wireless microphone is made of full-metal manufacturing, with excellent shielding. When working distance is within 197 feet, you can switch to low strength mode, which helps to reduce power consumption for longer standby time. When working distance is longer than 197 feet, you can choose the high strength mode to improving the audio quality.