Hi,my dear angel, welcome to Jacenvly, our products are cheap and good quality, price is fair, you can't miss it. If this product is not your style, please click on our store, we have many kinds of products, there will be you like and suits you. If you have any questions about your purchase, please send us the first message, we offer world class customer service to make your purchase without your worries. Have a nice day. Rechargeable 2.4G Wireless Gaming Mouse Backlit 2400DPI Mute Mice Office Mouse For PC Laptop Parameters: 2.4G Wireless Transmission Technology，10M wireless receiving distance. Rechargeable design, built-in 500 mAh lithium battery Third gear DPI adjustment design quiet and elegant office wireless mouse High resolution: Max 2400 DPI high resolution for fluid motion Fashion ergonomic design: ergonomic design, comfortable grip, stylish appearance, easy to carry Specification: 1：Brand/Model: G864 2：Color: Black,White. 3：Material: ABS 4：Key life: 5 million times（Mute switch） 5：Wireless distance: 10m 6：Work: Photoelectricity 7：Battery capacity:500mAh（Chargeable lithium battery） 8：Charging cable length: 80cm 9：Project Type: Ergonomics Optical Mouse 10: Resolution: 1200,1600.2400(1600dpi Default) 11: Operation Mode:Opto-electronic 12: Rated voltage / current: 3.7V / 18mA 13: Power Type:Rechargeable（Charging time 2h，Working time 150h） 14: Type:2.4Ghz Wireless mouse 15：Buttons: 2 Buttons and 1 Round (Middle Mutton) and Dpi key 16: System requirements: Windows 98 / Me / 2000 / XP / Win 7 / Win8 / 10 Package List: 1 x 2.4 G Wireless Mouse 1 x USB Receiver 1 x USB Charging Cable(80 cm) Parameters: 2.4G Wireless Transmission Technology，10M wireless receiving distance. Rechargeable design, built-in 500 mAh lithium battery Third gear DPI adjustment design quiet and elegant office wireless mouse