About this item Exclusive design for 13" rosoft Surface Pro 9 (5G), rosoft Surface Pro 8 and rosoft Surface Pro X tablet, with slightly spread out keys for a more familiar and efficient typing experience that feels like a traditional laptop. Built-in two-button trackpad gives you the touch screen experience, without having to take your hands off the keyboard. About the operation of trackpad, please refer to the user manual. *** The touchpad may not work properly if the keyboard is on an uneven surface. Built-in 750mAh rechargeable lithium y provides about 240 hours uninterrupted work time, ultra-long standby time up to 180 days Per Full Charge. Press Fn+X key to quickly check the y level. (TIPS: Fully charge the y to better protect the keyboard y) *** This Blutooth keyboard requires you to charge it via USB cord and connects via Bluetooth. Bluetooth 5.1 technology that provides high speed connection and signal distance up to 33ft/10m. The split keys and scissors switches will make your typing as comfortable as that on a laptop. Each key sustains up to 3 million keypress times. Sleek and portable, compact size and light weight allows easily be carried and packed in backpack, suitcase or handbag.