Keychron B1 Pro Japanese (JIS) layout model. This item is unopened and has been stored at home, but I am selling it because I have not used it. ☆Product Specifications ・Japanese (JIS) layout ・75% layout (tenkeyless) ・Scissor switches ・Connection method: Bluetooth 5.2, 2.4GHz wireless, USB-C wired connection ・Supported OS: Windows / Mac / Linux ・Long battery life of approximately 1,200 hours ・Body size: Approximately 296 × 130 × 5.2 (front) 〜 14.5 (rear) mm ・Weight: Approximately 425g ・Backlight: Not equipped ☆Storage and Shipping ・Stored in a smoke-free and pet-free environment ・Carefully packed and shipped via Rakuraku Mercari (anonymous delivery) ☆Packing Method The original box containing the product will be wrapped in cushioning material for keyboards and shipped.