【Wide Compatibility】 It is equipped with a Bluetooth 5.1 chip, which provides excellent connection stability. It is compatible with iOS, Android, Mac and Windows devices. [Multi-pairing for up to 3 devices] Up to 3 devices can be connected at the same time via Bluetooth connection. By simply pressing the designated key, you can easily switch between the three connected devices. While creating materials on a computer, you can reply to emails on your smartphone with a single keyboard. [Japanese layout & full size with numeric keypad] It is a keyboard with a Japanese layout that makes it easy for Japan people to type. It is a full-size and convenient equipped with a numeric keypad, directional keys, etc. It's ideal for those who type numbers frequently. 【Stylish Design】 It is an ultra-thin keyboard with a thinnest part of 3 mm. The sleek body and simple and stylish design make the desk a high-quality space. [Pantograph type] It uses a pantograph system that has the same keystroke feel as a general laptop. The standard 19mm key pitch and shallow 1.8mm keystroke provide smooth and comfortable typing. [Type-C Rechargeable] Lightweight, thin, and portable, it can be fully charged in 2 hours and can be used continuously for about 90 hours. In addition, if there is no operation for 30 minutes, it will automatically enter sleep mode and restart by pressing any key.