Features: Designed with Unique Identification Code: you can connect the microphone transmitter and receiver by using the identification code if the frequency is interrupted for whatever reason. 0V, 5V, and 48V Voltage Adjustment, Compatible with Dynamic Microphone and Condenser Microphone to Realize Wireless Singing: 0V for dynamic microphone, 5V for condenser microphone or audio recording microphone, 48V for phantom condenser microphone. Automatic Frequency Matching After Startup, 16 Groups of Frequency Points are Available: after the transmitter is powered on, it will automatically connect 16 adjustable frequency points with the idle receiver, supporting multiple sets of devices to be used at the same time. Stable & Long-distance Reception: wireless transmission with 50~80M pickup distance, anti-interference and anti whistle, clear sound effect. Equipped with a XLR to 6.35 Plug for Receiver: it can be used in the speaker, mixer, amplifier, guitar and other sound equipment. Clear LED Display Screen: real time display of frequency band and electric quantity, letting you pay attention to electric quantity in time, and it is convenient to use. Highlight the on / off condition of the machine to prevent forgetting to shut down. Built-in Long Endurance 800mAh Rechargeable Battery: high performance electric polymer lithium battery has a lasting endurance of more than 5 hours. Specifications: Material: ABS Frequency Range: 571~598MHz Channels: 16 frequency Channel Spacing: 0.5~2.5MHz Adjustment: DQPSK Frequency Stability: ±3PPM Frequency Response: 40Hz~20kHz Range: 50~80M Delay: 3ms Sampling Ratio: 24-bit / 48kbps audio Maximum SPL: 110dB Rechargeable Battery: 3.7V, 800mAh Work Time: 6-8 hours Transmitter Size: 107 * 36 * 34mm / 4.21 * 1.42 * 1.34in Receiver Size: 95 * 36 * 34mm / 3.74 * 1.42 * 1.34in Converter Size: 60 * 50 * 20mm / 2.36 * 1.97 * 0.79in Item Weight: 127g / 4.49oz Package Weight: 283g / 9.98oz Package Size: 14.7 * 14.1 * 5cm / 5.79 * 5.55 * 1.97in Package List: 1 * Transmitter 1 * Receiver 1 * Converter 1 * Type-C Cable 1 * Manual (English) NOTE: The frequency range in the manual is for reference only, and the actual frequency range is subject to the description(571~598MHz). The pictures on the packaging box are for reference only, and the actual products included are based on the packaging list.