Feature 1[3 Modes]: Ther mouse has BT5.1 BT5.1 2.4GHz 3 mode that provides more stable and low latency connection, plug and play, no drivers required, and can connect up to 3 devices. 2[Rechargeable Battery]: The mouse uses transparent case to visually display the remaining battery power, and the rechargeable battery can last up to 30 days and only takes 40 minutes to fully charge. Automatic sleep mode effectively reduces unnecessary power consumption, click any button to wake up again. 3[Silent Click and Metal Wheel]: Use the mouse without disturbing people around, suitable for open offices, libraries, trains, etc. The sturdy non slip metal wheel enhances the texture and ensures your hands don't slip while scrolling the mouse. 4[4 Adjustable DPI]: The mouse features 800, 1200, 1600, 2400 4 adjustable DPI, with high accuracy optical tracking, can maintain high sensitivity and accuracy, suitable for office and gaming. 5[Ergonomic Design]: The mouse provides you with comfortable feel, prevent fatigue caused by long term use, widely compatible with for Windows8, 10,11, for IOS, etc., suitable for PC, laptop, etc.Item Type: MouseMaterial: ABSSize: Approx. 113 x 57 x 25mm / 4.4 x 2.2 x 1inBattery: Polymer Lithium ion Battery (built in) Battery Capacity: 400mAhOperating Mode: 2.4G, BT1, BT2Bluetooth Version: BT 5.1DPI (optional): 800 1200 1600 2400DPI Light Mode: Red Light (800) Green Light (1200) Blue Light (1600) Violet Light (2400)Light Mode: 7 Colors Breathing Light EffectNumber of Rollers: 1Power Supply Type: RechargeableCharging Port: USB CWorking Mode: Optical Technology .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x Mouse1 x Receiver1 x USB Cable1 x User Manual