Feature:1. With power saving function, 8 minutes without any operation, it will automatically enter deep sleep mode, no need to switch for energy saving, and you can press any key to wake it up.2. It is with slim and stylish body, and its weighing about 90g, moreover, the thinnest part is about 10mm.3. Such kind of mouse is made of ABS environmental plastic, which is comfortable to touch.4. The overall shape is full with raised tail. And it can be fit to the hand shape and effectively reduce the hand fatigue.5. 2.4G+ Bluetooth dual mode mouse supports that the mode type is free to switch.Specification:Item Type: MouseMaterial: ABSGross Weight: Approx.95.00gPacking Size: Approx. 11.00 x 7.00 x 4.50cm / 4.33 x 2.76 x 1.77 inUses: Wireless mouseModel: M90Color: Black / White / Gold / Rose Gold / Silver / Gray( optional)Material: ABSCritical Life: 5 million timesWireless Distance: Approx. 10 m / 32.81ftBattery Capacity: 500mAh (rechargeable lithium battery)Charging Line Length: Approx. 25cm / 9.84 inProject Type: Ergonomic optical mouseResolution: 800, 1200, 1600. (1200dpi default)Operating Mode: PhotoelectricRated Voltage / Current: 3.7V / 18mAPower Type: Rechargeable (charging time 2h, working time 150h)Type: 2.4Ghz wireless mouseButton: 2 buttons, 1 circle (middle wheel) and Dpi buttonSystem Requirements: For Windows 98 / Me / 2000 / XP / Vista / Win 7 / Win8 / Win 10 / Vista / Mac OS or new version..Package List:1 x Mouse1 x USB Charging Cable1 x Instruction Manual1 x USB Receiver