Features: This wireless transmitter and receiver system is perfect for scenario such as karaoke and stage performances, making it essential tool for musicians and presenters alike. Long Transmission: With a transmission distance of 30m, you can move freely during your performances without worrying about losing connection Build: Constructed from combination of metal and ABS, this device is withstanding the rigors of frequent use, and reliability in demanding environment. Rechargeable Convenience: The rechargeable battery provides 6 to 8 hours of use on a single charge, allowing for uninterrupted performances while eliminating the hassle of replacing batteries. Suitable for both dynamic and condenser microphones, giving you flexibility in microphone choice for different sound requirements. Specifications: Component: Metal + ABS Size:Approx.88x38mm/3.46x1.49inch Package Includes: 1Pc Wireless Transmitter 1Pc Wireless Receiver note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item.