Bubble Max, the ultimate wireless keyboard with Dual Connectivity. Connect to your device using Bluetooth 5.0 and 2.4 GHz USB wireless. Enjoy the flexibility to effortlessly switch between devices. Connect up to 2 Devices: The wireless keyboard allows the connection of up to 2, Noiseless Typing Each key is UV printed with anti-fade characters, ensuring long-lasting visibility. Universal Compatibility: This mini keyboard works with PC, laptop, Mac, and smartphones, making it the perfect companion for all your devices.