How It's Used: The BTM-210D can be applied directly to wired dynamic microphones to seamlessly transmit to the BTH-830RM receiver. The Microphone Bluetooth Module Adapter and Receiver from Knox Gear is a high-quality audio device that will simplify your life. Wireless Performance: This Microphone Bluetooth Wireless Module Adapter is the ultimate solution for convenient and cable-free performance. Hook up this portable, professional device to your monitor to get all the performance without the mess and hassle of plugging in wires. Features: With low latency less than 38m, the live broadcasting gear allows you to show perfectly without lip-syncing delay. This system is compatible with condenser microphones with 3.5mm connector. Also, the module provides long battery life with approximately eight hours of continuous use.