Features: 100% brand new and high quality Built-in durable rechargeable 500mAh battery.Standby time is very long. No need to install any driver, just plug the USB receiver into your laptop will the mouse start to serve. 2.4GHz wireless technology provides powerful and reliable connection. Max1600 DPI high resolution, freely to satisfy daily work. Silent click mouse with classic design,offers your hand maximum support and comfort. Silent button reduces 90% noises, which makes it an ideal wireless mouse for office, conference room, cafe, library, bedroom, help you concentrate on your work, study without disturbing others besides you. Ultra-thin, lightweight and convenient for carrying or traveling. Fits for most desktop, laptop, PC, for Macbook, and other devices. Package Includes: 1x Wireless Mouse 1x USB Receiver 1x USB Charging Cable 1x Manual Specifications: Color: Bright Black/Black/Silver Material: ABS+Metal Key life: 5 million times Wireless distance: 10m Work: Photoelectricity Battery capacity:400mAh(Chargeable) Type:2.4Ghz Wireless+Bluetooth-compatible 3.0/5.0(Three Modes) Charging cable length: 80cm Resolution: 1600dpi(Default) Operation Mode:Opto-electronic Rated voltage / current: 3.7V / 8mA System requirements: For Windows 98 / Me / 2000 / XP / Vista / Win 7 / Win8 / 10/Vista Mac OS or latest. Size: Approx.11x6x2.5cm/4.33x2.36x0.98 inches Weight: 140g note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.