The silent will never trouble other people. Featured with ergonomic design. The built-in battery can be recharged and no need to replace battery. The aluminium alloy case makes it durable in use. 
 
Features:
Dual Connection Modes
Connect with PC or laptop with Nano Receiver or by BT. 
Ergonomic Design
Elegant shape seamlessly supports your palm, featuring more flexible and smoother movement, alleviating wrist tension and eliminating wrist joint's fatigue. Cozy comfortable and healthy.
 
Rapid Responsiveness
Optical tracking tech. allows higher sensitivity for extra-precise tracking. One button switchable between DPI levels 1000, 1200, 1600 to adjust cursor speed to suit various usage scenario.
 
Quick Access   
2.4GHz wireless tech. enables it work in a superior fast non-interference way without shackles of messy cables. Just simply plug into the Nano receiver, it works in a in ultra high efficient way.
 
Soundless Design
Operate in a silent way and never interface other people. Build a quiet atmosphere. 
 
Easy to use. Simple setup. Just insert the battery and plug in the wireless nano-receiver and use it. 
 
Support for Windows 2000, Windows XP, Windows 7, Windows Vista, Windows 98, Mac OS, Windows ME, Windows 8, Windows 10 and so on. 
 
Specification:
Resolution: 800 1200 1600 DPI Adjustable
Type: Optical Mouse
Power Supply: Built-in Chargeable Li-lion Battery
Material: Aluminum Alloy
Voltage: 3.7V
Current: 8mA
Item size: 10.5 * 5.9 * 2cm / 4.13 * 2.32 * 0.79in(L * W * H)
Item weight: Approx. 76g / 2.68oz
Package size: 15.4 * 8.4 * 3.4cm / 6.06 * 3.31 * 1.34in(L * W * H)
Package weight: 121g / 4.29oz
 
Package List:
1 * Wireless silent rechargeable mouse
1 * USB Receiver
1 * USB Charge Cable
1 * User Manual(English & Chinese)