Features: 1. 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) 2. Enhances Existing Stereo System - A great wireless system streams the high-quality wireless audio from your dynamic devices to any home stereo system. Easy setup and connection in seconds. 3. Multi-channel function: With multi-channel function, it supports multiple sets in the same place simultaneously. Can be configured for device frequency hopping, plug and play. 4. Wide range of uses: Compatible with mixers, recorders, speakers, sound reinforcement systems, power amplifiers, etc. Provides stable and reliable wireless transmission 5.Microphone function: Record the sound of voice through the dynamic microphone. Product Specifications: This product is designed with embedded digital chips and unique identification code. Channel: There are 16 frequencies in each channel. Frequency stability: 3PPM Frequency response: 40hz-20khz range: 50-80M Voltage: 3.7V, 14500 lithium battery Packing List: 1 * Transmitter 1 * Receiver 1 * Transfer Plug 1 * Cable 1 * Manual