I am right-handed, and I tried a left-handed mouse to reduce the strain on my dominant hand, but it was too difficult to operate, so I gave up and am now selling it. I've only used it for 3 days, so it's in very good condition. Here are the details: 【Manufacturer】DELUX 【Product Model】‎M618MINI Left 【Retail Price】￥4599 【Hand Orientation】Left-handed 【Features】Ergonomic mouse Wireless vertical wireless Silent 6 buttons USB & Rechargeable 2.4G/Bluetooth Mode DPI(800/1200/1600/2400/4000) 10.3 x 8.9 x 6.9 cm; 180 g 【Compatibility】Windows XP, Vista, 7, 8, 10, 11 and above 【Features】Ergonomically designed for the left hand It has a vertical design that allows for a natural handshake from the palm of your hand. The ergonomic shape reduces hand fatigue from long-term use of conventional mice.