【Connect to Two Devices - Makes Work Easier!】 Connect to two devices via 2.4G wireless and Bluetooth. Supports both Bluetooth and receiver connections simultaneously. 2.4G connects via a USB adapter, and a Type-C adapter is included, allowing connection to smartphones, tablets like iPads, and more. 【Multi-System - Windows/Mac/iOS/Android】 Durable, with a scissor-switch key structure for easy and quiet typing. Compatible with iOS, Mac, Android, Chrome OS, Windows 8, 10, and 11. 【Tenkey for Excel Work】 Equipped with a TAB key + 00 key, super convenient for fast Excel input; 00 key input is smooth and without delay. Combining with operators like ()+= makes digital calculations more convenient. 【Work Efficiently - Shortcut Keys - 37 Keys】 Includes Tab, Shift, Esc, Delete, BS keys, as well as 37 function buttons like pgup, pgdn, home, and end for easier use. 【Japanese-Compatible Tenkey】 Unlike other similar tenkeys, this one is compatible with Japanese keyboards, preventing garbled characters or inability to use. This tenkey was developed in cooperation to support Japanese keyboards, ensuring correct input of numbers and symbols like =, *, and / in Excel. 【Type-C Charging - 60 Hours of Battery Life】 Charging via Type-C for 2-3 hours provides up to 60 hours of use. When the keyboard power switch is on and no operation is performed, it can standby for up to 6 months.