ENJOY THE SOUND OF SILENCE Get all your work done without missing a beat or disturbing those around you. Silent Mice have the same click feel without the click noise - over 90% noise reduction.* Durable, high performance feet quietly glide over the desktop. A smooth scroll wheel completes the silent experience. Silent Mice eliminate excess noise while protecting the health and productivity of everyone. Make this your last annoying click. Your family and friends will thank you.FeaturesDimensions Mouse (height x width x depth): 99 mm x 60 mm x 39 mm Weight: 75.2 g Height x Width x Depth: 14.4 x 18.7 x 6.1 mm Weight: 1.8 gSystem Requirements Windowsｮ 10 or later, Windows 8, Windows RT, Windows 7 Mac OS X 10.5 or later Chrome OSTM Linux Kernel 2.6+2 USB connection: available USB port required.Technical Specifications Connection Type: 2.4GHz wireless connection Wireless range: 10 meters Connect / Power: Yes, on/off switch Battery Details: 1 x AA Battery life: 18 months* *Battery life may vary based on user and computing DPI (Min/Max): 1000ｱ Sensor technology: Logitech Advanced Optical Tracking Sensor resolution: 1000 dpi Scroll Wheel: Yes, 2D, optical Number of buttons: 3 Standard and Special Buttons: Middle clickPackage Contents Mouse Nano receiver 1 AA battery (pre-installed) User documentationWarranty Information 3-year Limited hardware warrantyFor Any Query Please Contact Bizgram Asia Pte Ltd +65-87776955