【Bluetooth 5.0/3.0 Connectivity】TECKNET ergonomic bluetooth mouse supports versatile Bluetooth 5.0/3.0 & 2.4G connectivity options for simple, fast pairing. The included USB-A receiver offers plug-and-play simplicity, while advanced Bluetooth technology ensures rock-solid connections without lag or dropouts. Switch between 3 devices smoothly—perfect for busy workdays or streaming marathons. 【600mAh Rechargeable Battery】Ditch disposable batteries for good! Vertical Mouse with built-in rechargeable battery eliminates the need for extra batteries, offering long-lasting durability while saving you money. Just 1.5 hours of charging delivers up to 2 months of use. Comes with a Type-C charging cable for on-the-go power. Eco-friendly, cost-saving, and endlessly convenient for work and travel. 【52° Ergonomic Design for All-Day Comfort】Say goodbye to wrist pain and fatigue! Designed at a natural 52° vertical angle, this ergonomic mouse wireless fits S/M hands like a glove, promoting a relaxed "handshake" grip that reduces strain on your forearm and carpal tunnel. Stay comfortable even during extended sessions—so you can work, game, or browse without discomfort. Comfort that keeps up with your productivity. 【Whisper-Quiet Clicks for Distraction-Free Environments】The wireless ergonomic mouse's silent click technology reduces noise by 99%.Whether you're in a library, open-office plan, or cozy living room, enjoy silent precision. This wireless ergonomic mouse compatible with Bluetooth and 2.4G connections, Fully compatible with Windows (11/10/8/7/XP) and Mac OS X10.4—effortlessly pair with desktops, laptops, and tablets for versatile use.(Note: Forward and Back buttons are not available on Mac.) 【Boost Productivity】Built to withstand 6 million clicks, this ergonomic wireless mouse is as durable as it is efficient. Side-mounted forward/back buttons let you navigate web pages with lightning speed, while 6 total buttons put shortcuts at your fingertips. Streamline workflows, cut down on clicks, and get more done—all with a Vertical Mouse that's built for professionals who value efficiency. 36 months support (registered users only) 【4800 DPI Precision for Every Task】Ergonomic Mouse adapts to any activity with 6 adjustable DPI levels (800 to 4800 DPI). Switch from pixel-perfect photo editing to fast-paced gaming with a single button press. Ultra-sensitive tracking glides smoothly over desks, Wood, and even Paper—no surface is off-limits. Whether you’re detailing a design, navigating spreadsheets, or dominating in games, experience pinpoint accuracy every time. 1