With clear LCD screen, it can display the frequency band and power in real time. The wireless mic adapter has stable transmission and low latency, which can provide high-quality sound transmission. Made of high-quality ABS and metal material, it is hard and firm. The length of the transmitter/receiver is 11cm, the width is 3cm and the height is 2.5cm. Transmitter and receiver are suitable for any dynamic microphone, mixer, PA System, recorder, loudspeaker, sound reinforcement system, power amplifier, etc. And they can be charged simultaneously through dual port USB cable. Item Name: Wireless Microphone Adapter Material: ABS,Metal Number of Channels: 6 Delay: About 5ms SNR: 110dB Antenna Impedance: 50 Frequency Response Range: 20Hz-20kHz Distance: Transmission Distance: About 30m Duration: Stable Endurance of 6 Hours Power Supply: Built-in USB Charging Built-in Battery: 680mAh 602030 Battery (Included) Sampling Rate: 24bt48KpbsAudio Supported Microphone Types: Dynamic Microphone and Condenser Microphone with Built-in Power Supply Features: Plug and Play, Power Indicator, Stable Transmission Size Details: Transmitter/Receiver Size: 11cm x 3cm x 2.5cm/4.33" x 1.18" x 0.98" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Note that the transmitter is only applicable to dynamic microphone. If there is no power supply or battery, it is not applicable to microphone equipment with power supply. Package Includes: 1 x Wireless Microphone Transmitter 1 x Wireless Microphone Receiver 1 x Rechargeable Power Cable 1 x User Manual