Used only a few times at home after purchase, and then stored in the box. (Non-smoker, no pets.) Box and accessories are complete. Operation has been confirmed. To prevent any issues, please confirm the condition and specifications of the product before making a purchase. The following is a product description. The Xvive U8 Acoustic Guitar Wireless System is a wireless system for acoustic guitars and classical guitars, featuring a super high-quality supercardioid gooseneck microphone. U8 Acoustic Guitar Wireless System U8 Acoustic Guitar Wireless System ・2.4 GHz ISM band, 142 dB SPL supercardioid microphone ・High-resolution audio: 24-bit / 48 kHz, Latency: Less than 5ms ・Frequency response: 20 Hz ? 20 kHz ・Dynamic range: 108 dB, S/N ratio: 108 dB ・Battery life: Up to 5 hours ・Up to 6 channels ・Wireless range: Up to 90 feet (approx. 27m) ・Included: Transmitter, receiver, microphone, clip, USB-C cable, sponge windscreen, fur wind shield, carrying case