Thank you for viewing. The product is a Hollyland-Lark Max wireless microphone from HollyView. I purchased it as a spare for overseas filming, but since it was a spare, I never used it and it has been stored in a warehouse since then. I believe I purchased it for around 45,000 yen. I use the same model, and as the reviews say, it picks up sound well and has little noise. Please judge the appearance and condition from the photos. Thank you for reading. Hollyland-Lark Max - Wireless Microphone - Lavalier Microphone - ENC Noise Cancellation - Compatible with Phone Series - 250M Wireless Transmission - Compatible with iOS and Android - Wireless Microphone - Certified for Technical Compliance - Brand: HOLLYLAND - Model: Wireless Microphone System - Accessories: Carrying case - Connection terminals: 3.5mm jack - Functions: Recording function, volume adjustment dial - Design: Compact and lightweight design