With its eye-catching colors and patterns M500 Silent offers variety to suit every taste and environment M500 Silent transmits using Rapoo&39;s latest and powerful multi-mode wireless – via Rapoo’s reliable 24 GHz wireless transmission Bluetooth 30 or Bluetooth 40 (Smart) – allowing you to connect simultaneously to up to 3 devices and change (pair automatically) among them Naturally this mouse also features a fully adjustable 1600 DPI HD sensor and non-slip scroll wheel making surfing and clicking a joy The functionality is further 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 To top it off M500 Silent offers up to 12 months’ battery lifeMulti-mode wireless connection connect via Bluetooth 30 40 and 24 GHzUp to 10 m range and 360 degree coverageConnect simultaneously to up to 3 devicesInstantly switch among 3 connected devices in one click (Automatic pairing)Silent clickAdjustable 1600 DPI HD sensorNano USB receiverCompatibility - Windows XPVista7810 USB portUp to 12 months battery life Warranty - 2 YearsBox ContainsMulti-mode Wireless mouse Nano USB receiver 2 AA alkaline batteries (installed) Quick Start Guide