Ugreen Wireless Keyboard and Mouse Combo Dual Mode 2.4g Bluetooth,

Multi-mode wireless connection: supports bluetooth and 2.4ghz wireless connect up to 3 devices: easily switch between devices for seamless multitasking 4000 dpi high-precision mouse: adjustable dpi levels for accurate and smooth tracking f1–f12 multimedia shortcuts: quick access to essential controls and commands rechargeable design: long battery life with usb-c fast charging multi-os compatibility: works with windows, macos, linux, and chromeos keyboard specifications model: k552 connectivity: bluetooth / 2.4ghz frequency band: 2400mhz – 2483.5mhz max rf output power: 4dbm (eirp) transmission distance: up to 10m / 33ft (no obstruction) key travel distance: 1.8mm charging port: usb-c battery type: polymer lithium-ion battery capacity: 500mah, 3.7v (1.85wh) charging time: about 2 hours