Wireless condenser microphone, clip-on type. Both transmitter and receiver are Type-C rechargeable. I've used it a few times, but I no longer have the opportunity to use it, so I would be happy if someone could use it. It was easy to use. #Saxophone #Trumpet #Trombone [Wireless Microphone] Wireless instrument microphone, stable signal, no delay, no interference from home signals. [Wide Application] The wireless microphone can be combined with voice amplifiers, speaker systems, etc. Applicable to concerts, band performances, personal practice, and band practice. The wireless microphone for wind instruments is suitable for all kinds of brass instruments such as trumpet, large, and trombone. [LED Digital Screen] Saxophone microphone with an LED digital screen that easily displays frequency/battery level and volume. [High Sensitivity Pickup Sound] Built-in high-sensitivity condenser microphone perfectly captures the soundtrack of the instrument, making the sound clearer and more realistic. [Clip-on] The silicone shockproof clip and steel collar clip allow for easy attachment to instruments and collars. It can effectively filter out noise generated by the vibration of the equipment.