About this product: 【Bluetooth 3.0/5.2 and 2.4GHz USB Wireless Dual Compatibility & Wireless Keyboard Connectable to 4 Devices】 Note: This keyboard is not compatible with all Android 12 models. It can be connected to devices with Bluetooth, as well as devices with USB-A or Type-C ports that do not have Bluetooth functionality. This wireless keyboard newly features the ability to connect to up to 4 devices, such as PCs, tablets, and smartphones. You can switch between devices by pressing Fn+A/S/D/F. Recommended for those who use multiple devices. This is a Bluetooth and USB wireless dual-compatible keyboard that supports PCs, iPads, iPhones, Android devices, etc. 【JIS Japanese Layout & Pantagraph Type & Multi-Function Media Key Keyboard】 This is a Bluetooth keyboard that uses the JIS Japanese layout. You can use "Kana input," which you have used for many years, on tablets and smartphones. Of course, you can also input in Roman characters and English. The key type of the iPad keyboard uses the "pantagraph method," which allows you to type with light force, similar to the keyboard of a laptop. Despite its compact size, it has a 19mm key pitch and 79 keys, allowing for comfortable typing. In addition, it is equipped with dedicated multimedia keys that allow you to adjust the volume and operate the media player. 【Reliable Battery Operation for Long Use & Power Switch & LED Lamp】 The Mac keyboard operates on alkaline AAA batteries, with a continuous usage time of over 100 hours, eliminating the need for frequent battery changes. *Batteries are not included, so please purchase them separately. It is equipped with a power switch to prevent battery consumption when not in use. 【Usable on Four OS】 The keyboard supports various terminals such as smartphones, tablets, and PCs equipped with USB-A or Type-C ports & Bluetooth functionality, including Windows OS/Android OS/Macintosh OS/iOS. Recommended for remote work!