No price negotiations, and please refrain from comments. This is a Logitech K810. Brand new and unopened. Serial numbers are saved, so please refrain from swapping with broken products. Also, we will not provide any support if the product is incompatible with the device you are connecting it to. We will not provide any support under any circumstances. [Connection Method] Connects via Bluetooth for comfortable wireless use. [Illumination] High visibility even in dark environments, enabling comfortable typing. [Japanese Layout] Designed with a Japanese keyboard layout for ease of use. - Brand: Logicool - Model: k810 - Connection: Bluetooth - Features: With illumination - Intended Use: For computers - Language: Japanese layout Thank you for viewing.