Multi-Device Wireless keyboard: Support two connection methods: 2.4G and Bluetooth(BT3.0+BT5.0) It has the function of connecting devices with Android, Windows, and Mac systems at the same time. It could keep stablely connecting on different devices and easy to switch. Elegant and Exquisite Design:This keyboard is thin and beautiful with new colors. It uses a matte silver material and a white particle non-slip chassis. The keyboard back stand is very ergonomic and can help you reduce wrist pressure caused by long-time typing. Quiet Click and Scissor- Switch:This bluetooth keyboard uses noise reduction technology to greatly reduce the sound of keystrokes. The Scissor-switch thin and light keys can relieve the fatigue on your wrist or fingers. At the same time, it can ensure a quiet and pleasing work environment. Auto-Sleep Mode:The bluetooth keyboard uses lithium batteries (not included in the package). It will automatically enter the power-saving mode if there is no operation for 30 mintutes. Click any button at will, the keyboard could be activated normally. Wide Compatibility:Support 2.4g and Bluetooth dual-mode connection; works well with mobile phones, computers, tablets all devices; It also could be compatible with Windows, Mac, IOS, Andriod all systems. JOYACCESS Bluetooth Keyboard,Multi-Device (2.4G+BT3.0+BT5.0) Wireless Bluetooth Keyboard Compatible with iMac/Mac,MacBook,Laptop,Android,Windows-Wine Red