• Any-surface tracking - now 8K DPI: Use MX Master 3S cordless computer mouse to work on any surface - even glass (1) - with the upgraded 8000 DPI sensor with customizable sensitivity
• Introducing quiet clicks: MX Master 3S Bluetooth mouse introduces Quiet Clicks - offering the same satisfying feel but with 90% less click noise. Sensor Technology: Darkfield high precision
• Magspeed scrolling: A computer mouse with remarkable speed, precision, and near silence - MagSpeed scrolling is 90% faster, 87% more precise, and ultra quiet
• Ergonomic design: Work comfortably with a precision mouse featuring a silhouette crafted for a more natural wrist posture and optimally placed thumb controls
• Upgraded customization software: Customize buttons and optimize your workflow with App specific profiles in the improved Logi Options+ app.
• FLOW cross-computer control: Work seamlessly on multiple computers or laptops, and transfer text, images, and files – between Windows & macOS.
• Multi-device and multi-OS: Connect the comfort mouse with up to 3 devices via Bluetooth or the included Logi Bolt USB receiver on Windows, macOS, Chrome OS or Linux

• LEFT-HANDED ERGONOMIC MOUSE: Designed for left-handers, the ergonomic natural "handshake" vertical design can effectively reduce wrist pain and forearm muscle stress. The wireless ergonomic mouse is perfectly suitable for long-term mouse users or RSI users. Dimension for left-handed mouse: 4.71*2.49*2.99 inches. Weight: 125 grams.
• DUAL BLUETOOTH & 2.4G WIRELESS CONNECTION: Plug and Play. This ergo mouse has 3 connection modes. You can easily switch between 3 devices with one button on the bottom of the mouse. Compatible with Windows, Android, Mac OS PC Laptop Desktop etc. Perfect for multi-tasking work.
• RECHARGEBLE LITHIUM BATTERY: Built-in 300mAh lithium battery, the Bluetooth left-handed mouse can be easily charged through the included Type-C charging cable. No need to replace battery. Note: after 30 minutes of inactivity, the ergonomic vertical mouse will automatically enter sleep mode to save power, please press any key to wake up.
• 3 ADJUSTABLE DPI FOR PRECISE TRACKING: 3 adjustable DPI levels (1000/1600/2400 DPI) of the left-hand wireless mouse allows you to change the cursor sensitivity easily and track more smoothly over a variety of surfaces, which can improve work efficiency.
• HIGH-PERFORMANCE BUTTONS: The forward/backward buttons of left-hand mouse provides great convenience when browsing the web. (Note: Backward and Forward buttons are not fully compatible with MAC)