Ergonomic design black mouse, EX-G model. Brand: ELECOM Model Name: EX-G Power Source: Battery-powered Connectivity: Wireless (Bluetooth) Purchased from Amazon in 2024. Used for about half a year. I switched to the mx master 3s and no longer plan to use this, so I'm offering it for sale. In my personal opinion, it was in good condition. Please refrain from purchasing if you are overly concerned about minor details. Shipping via Yu-Packet Post is planned. Thank you.