Xiaomi Mi Portable Wireless Bluetooth Mouse Original Dual mode Bluetooth 4.0 / 2.4G Over the surface of up to 95% more accurate Anodized aluminum shell With battery weighs only 77.5g Main Features: Portable and mini mouse fits for travel, office and so on Supporting Bluetooth 4.0 / 2.4G dual modes connectivity It is powered by 2 AAA batteries ( included ) Specification Model : XMSB02MW Brand : XiaoMi Type : Mouse Features : Mini Material : ABS Product Details Resolution: 1200DPI Interface: USB 2.0 Connection: Wireless Bluetooth Specification: Bluetooth 4.0 Range of Frequency: 2.4G Power Supply: 2 x AAA Battery Suitable for: Andriod TV Box,Android TV,Google TV Box,HTPC,IPTV,Pad,PC,PC360 Coding Supported: No Mouse Macro Express Supported: No