The AKAI EWI5000 is a high-performance electronic instrument (wind synthesizer) with wireless capabilities. - Model Name: EWI5000 - Type: Electronic Instrument - Brand: AKAI - Built-in rechargeable battery replaced with a new one - Accessories: User Guide Replacement mouthpiece (with holder), used Mouthpiece cover Bird strap 2 USB cables (third-party) Stand Sound output has been confirmed. There is some age-related deterioration. No claims or returns accepted.