ELECOM Bluetooth mouse, black model compatible with smartphones and tablets. I bought this at a Kojima store last month, but the size felt uncomfortable for me, so I stopped using it. I used it for about 3 hours. I'd like to give it to someone who will use it. (The outer box is partially torn when opened) - Brand: ELECOM - Model: M-LE10BRXBK Optical Sensor - Connectivity: Bluetooth - Color: Black - Compatible devices: PC, tablet Thank you for looking. Connectivity: Wireless (Bluetooth) Power supply: Battery powered