EXCLUSIVE FOR SAXOPHON --- Designed for saxophones and brass instruments such as euphonium, baritone, French horn, and cornet. The receiver has a 6.35mm plug, which can be connected to speakers and amplifiers. Plus, it comes with a storage bag for easy storage and portability. 5 HOURS BATTERY LIFE --- Built-in rechargeable battery, it can work for about 5 hours after fully charged, suitable for several rehearsals or performances. A dual usb cable is included to charge the transmitter and receiver at the same time. There's an indicator light to let you know when the battery is running low. PLAY MUSIC ACCOMPANIMENT --- You can use Bluetooth connection or plug the audio cable to play background music, the fusion of saxophone and accompaniment music makes your performance richer and more attractive. CLIP-ON TRANSMITTER --- Transmitter has a built-in upgraded high-sensitivity condenser microphone, which can easily capture clearer and more realistic voices, and at the same time automatically seal the ambient noise to obtain a more perfect recording. In addition, the transmitter clip has a rubber pad, which can be firmly fixed on the sax without damaging the sax, and it is also very easy to remove. UHF STABLE TRANSMISSION --- POGOLAB wireless saxophone system is based on UHF technology, stable transmission up to 164 feet (50m) in open areas, clear sound with almost no delay. In addition, 4 signal channels can be easily switched. Even in big gigs, you can play the saxophone continuously without interference from WIFI (or other signals).