RAPOO Wireless Keyboard for PC Laptop - 2.4GHz Multi-Device Wireless Bluetooth Keyboard with Number Pad, 99-Key Low-Profile Silent Computer Keyboard for Windows/Mac/Linux/Chrome, Support 4 Devices

Multi-Device and
Multi-OS Wireless Keyboard: E9310M Keyboard can pair with up to 4 devices on nearly any operating system (Windows, Mac OS, Linux) via Bluetooth 5.0 / 4.0 and the plug-and-play 2.4GH z USB receiver. RAPOO wireless Bluetooth keyboards open up new ways to type on your PC, laptop, Mac, tablet, phone, or a second computer. Easily switch between devices and systems quickly, allowing you to handle complex tasks calmly and become a workplace expert.
99-Key Compact & Ultra-slim Wireless Keyboard: RAPOO E9310M Bluetooth keyboard is a compact keyboard with number pad and dual system multimedia hotkeys that provide instant access to 12 widely used function keys such as play/pause and volume +/- and more. The keyboard features an ultra-thin body with a thickness of 2 cm. Its frame and back plate, which are made of aluminum alloy, have rounded corners. The keyboard is wear-resistant and easy to carry.
Silent Wireless Keyboard Featuring Low-Profile Chiclet Keycaps: Chiclet keys and scissor key structure for comfortable and accurate typing. With a laptop-like profile and incurve rounded keys, it conforms to your fingertips, thus offering a fast, smooth, precise and quiet typing experience.
Energy Efficient,
Long Battery Life: The USB keyboard is equipped with a power-saving program independently developed by RAPOO, supplemented by a low-power consumption chip. With 2 AAA batteries, the keyboard can last for up to 12 months (varies on use frequency), eliminating the trouble of frequently replacing batteries. There is an invisible storage compartment at the bottom of the keyboard, where the USB receiver can be placed to avoid the worry of being easily lost.
Refined

Details

from Customer Voice: The latest version has added device and capitalization indicator lights for making it easier to find which device you are typing on, and eliminating the inconvenience caused by not knowing the uppercase or lowercase; The Bluetooth 5.0 / 4.0 is upgraded from Bluetooth 5.0 / 3.0 in order to extend battery life, whats more, weve also replaced the alkaline batteries with name brand ones for prolonged use.