I purchased this in Akihabara, but it doesn't fit my hand, so I'm selling it. It's been used for a short period, so it works well and has no scratches. *Although this product has been used very little, it has been inspected and stored by an amateur. Therefore, if you have any concerns, please refrain from purchasing. - Usage period: About 1 day - Lamzu Inca Black 8k - Weight: 40g - Included: 8000Hz compatible USB receiver Type C cable Spare mouse feet (1 set) Velvet mouse bag Grip tape (1 set) Instruction manual *One set of mouse feet is already attached to the main unit. Thank you for reading to the end. Please consider purchasing.