Instant purchase welcome! This is an infrared microphone for karaoke. You can bring it to a karaoke establishment, and it will connect without any operation. You can also charge it at the karaoke place. It has been opened once, but it is unused. The new price at Sound House at the time of listing was 27,800 yen. Features: Infrared microphone for karaoke. Equipped with a high-quality dynamic microphone unit, it is a lightweight, compact, and easy-to-handle short-type microphone. It is a low-power type that allows you to switch the infrared output according to the size of the room you are using, and can be used continuously for up to 10 hours. Specifications: ・Equipped with a high-quality dynamic microphone unit. ・A and B channels can be switched. Channel settings can be identified by the LED color of the power indicator. ・Comes with a thin channel identification ring. ・Lightweight, compact short-type microphone. ・Low-power type that allows you to switch the infrared output in 3 stages (ECO/LO/HI) according to the size of the room you are using. ・Ideal for karaoke business. Can be used continuously for up to 10 hours (when the microphone output switch is set to ECO). ・By using A and B of the 2MHz band and A and B of the 3MHz band, up to 4 microphones can be used simultaneously. ・The microphone unit ASSY and grip LOW-ASSY can be replaced quickly. Model: Dynamic type Directivity: Unidirectional Modulation method: FM frequency modulation Carrier frequency: Channel A 2.06MHz, Channel B 2.56MHz Infrared wavelength: 870±30nm Battery: Dedicated nickel-hydrogen rechargeable battery (installed in the main unit) External dimensions: φ56×223mm (head diameter × total length) Weight: Approximately 275g ● Accessories: Dedicated nickel-hydrogen rechargeable battery RB3UTG (1900mAh), channel identification ring Karaoke microphone Wireless microphone Audio-Technica