Sennheiser XS Witeless 1 Microphone Vocal Set XSW 1-825-A. Frequency range A: 548-572 MHz. The item is an opened box item and was used one time. The transmitter still even has the manufacturers plastic covering the screen.
There have not been batteries stored in the device. Please ask any questions that you may have. Thank you for looking and best of luck.
This item is in the category "Musical Instruments & Gear\Pro Audio Equipment\Microphones & Wireless Systems". The seller is "adsalyards" and is located in this country: US. This item can be shipped to United States.