Features: 100% brand new and high quality High-quality sound transmission: 24-bit audio resolution, sampling frequency of 48K. The delay is less than 6ms, no delay or no signal loss. Make sure you get good performance every time. Designed for dynamic microphones: the transmitter and receiver are suitable for providing stable and reliable wireless transmission, making sure you get good performance every time. Without cables, the wireless range can reach up to 100 feet (depending on environmental factors). High-quality sound transmission: wireless microphone system, the delay is less than 5 milliseconds, the delay is less and the signal loss is less. High-quality audio provides stable sampling rate and uncompressed digital stereo transmission. Built-in rechargeable battery and power indicator: The transmitter and receiver can be charged. Wide range of uses: compatible with mixers, recorders, speakers, sound reinforcement systems, power amplifiers, etc. Provide stable and reliable wireless transmission (Note: The transmitter is only suitable for dynamic microphones without power supply or battery, not suitable for microphone equipment with power supply.) Package Includes: 1x Wireless Microphone System Receiver 1x Wireless Microphone System Transmitter 1x Rechargable Power Cord 1x Manual Specifications: Material: ABS Size: 10.5x2x3 cm/4.13x0.78x1.18 inches Approx. Color: Black Quantity Of Channels: 6 Transmission Distance: 30 m/98.42 ft Approx. Duration: 6 Hours Of Continuous Operation Power Supply: Built-in Battery with Usb Charging Delay: About 5 ms Sampling Rate: 24bt48 Kpbs Audio Frequency Response Range: 20Hz-20kHz Antenna Impedance: 50 Signal-Noise Ratio: 110db Supported Microphone Type: Dynamic Microphone and Condenser Microphone With Built-in Power Supply note: 1.Please allow slight inaccuracy due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.