Description: 【Versatile Conversion System】: This system is compatible with dynamic microphones, condenser microphones, and various instruments, supporting both 0V and 48V devices. It seamlessly converts wired setups into wireless ones for enhanced flexibility 【Automatic Frequency Matching】: Enjoy hassle free connectivity with the automatic frequency matching feature that connects instantly upon powering up. With 30 built-in channels, it effectively minimizes signal interference and enhances signal quality 【High-Performance】: Equipped with a high-performance conversion chip and a 48kHz sampling rate, this system ensures accurate sound reproduction, capturing every detail of your audio output 【Extended Wireless Range】: Utilizing ultra-high frequency wireless transmission technology and dual antennas, this system offers a wireless transmission range of up to 30 meters, providing reliable performance in various environments 【Long Battery Life】: Powered by a large-capacity battery, the system delivers extended usage time of 6 hours on a full charge, making it ideal for long sessions without frequent recharging interruptions Specification: Material: Metal Size Chart: Transmitter: L*W*H 11.5cmx3.5cmx2.5cm/4.53inchx1.38inchx0.98inch Receiver: L*W*H 10.5cmx3.5cmx2.5cm/4.13inchx1.38inchx0.98inch Package Includes: 1 By 1: 1x Transmitter 1x Receiver 2x 6.5mm Adapters 1x Charging Cable 1x Instruction Manual or 1 By 2 (Optional):  2x Transmitter 1x Receiver 3x 6.5mm Adapters 1x Charging Cable 1x Instruction Manual Note: Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.