Fangrui Product Details Dual-mode 2.4g+bt Design For Stable Wireless Connection And Smoother Operation. Horizontal And Vertical Dual-use, 90-degree Rotation Sensing Area To Meet Different Usage Needs And Provide A More Comfortable User Experience. Compact Structure, And Portable, Suitable For Use In Business Trips, Travel, Etc. Compatible With Multiple Systems, Including For ,/ios, Android,/linux/ , With A Wide Range Of Applications. Aluminum Alloy Scroll Wheel Design, And Accurate Positioning, No Lag, Providing A Smooth Operation Experience. Note: [bt Version Only Supports Win7 Or Above System] Resolution: 1000dpi Wireless Band: 2.4g Mhz / Bluetooth Built-in Lithium Battery: 3.7v 150ma Charging Time: 2 Hours Use Time: 15 Hours (continuous Use) 170 Days (standby) Using Distance: 10-12 M Weight: 30g Transmission Interface: Usb1.1 Usb2.0 [bluetooth Version 5.0] Support System: Android/ios//linux/ Colour:black Material:abs Size:7x3x2cm Package Contents: 1 X Bluetooth Mouse Only The Above Package Content, Other Products Are Not