Refined and compact, with a high-quality finish and a convenient non-slip scroll wheel, M100 transmits using Rapoo s latest and powerful multi-mode wireless featuring Bluetooth 3. 0, 4. 0 and 2. 4 GHz. The ergonomic compact design, available in vibrant colours, is boosted by a silent click feature, which gives you freedom and a piece of mind since disturbing those around you is no longer a concern. All this, combined with the high-resolution 1000 DPI sensor, makes surfing and clicking a joy. Multi-mode wireless connection: connect via Bluetooth 3. 0, 4. 0 and 2. 4 GHz. Compatible with Windows XP/ Vista/7/8/10, Mac OS X 10. 4 or later, USB Port. Includes Wireless mouse, Nano USB receiver, 1 AA alkaline battery (installed), Quick Start Guide. Optical sensor. Wireless range 10m. Nano receiver. 3 buttons. Scroll wheel. Approximately 12 months battery life. Batteries required 1 x AA (included) . Manufacturer s 2 year guarantee.