LOFREE Dot Bluetooth Mechanical Keyboard System-wide Use Green Axis 79 Key Keyboard adjustable brightness For Smart Home Brand : LOFREE Product Name: DOT Dot Bluetooth Mechanical Keyboard Product model: EH112S Product weight: about 800g Number of buttons: 79 keys Battery capacity: 2000mAh Charging time: about 5 hours Product size: 306*144.5*30.6mm Bluetooth version: Bluetooth V3.0 Rated power: 5W Battery capacity: 4000mAh LOFREE Bluetooth Wireless Mouse 2.4G/Bluetooth Dual Mode Connection Unique Gesture Function Multi-system Compatible Note: 1. Due to the difference between different monitors, the pictures may not reflect the actual color of the item. 2. Compare the detail sizes with yours, please allow slight difference due to manual measurement. 3. This is Xiaomi ecological chain product [No any Xiaomi LOGO], thanks for your understanding! Fitur Produk Wireless Mouse Dual Mode: Bluetooth + 2.4G Wireless Eye-catching Design + Rechargeable Battery Kompatibel dengan Windows, Mac, Linux hingga Chrome OS DPI : 800/1200/1600/2400/3600