1. This keyboard ensures a low-latency, stable connection for seamless typing and navigation. 2. Experience the convenience of a notebook with the keyboard's oversized touchpad, complete with left and right buttons. 3. This design mimics the touchpad of a laptop, providing a familiar and comfortable user interface for extended use, whether you're working or browsing. 4. Stay powered longer with the built-in 140mAh rechargeable lithium battery. This eco-friendly choice offers extended usage and standby times, reducing the need for frequent recharging and helping to conserve energy over time. 5. Enjoy broad compatibility with various devices and operating systems including Windows, iOS, and Android. This keyboard seamlessly integrates with laptops, tablets, and smartphones, enhancing your productivity. Note: It does not support connection to TV sticks. Size: unfolded:30.4x9.8x0.98cm; folded:15.2x9.8x1.98cm Number of keys:64 Battery:140mAh lithium battery Touchpad size:5.48x4.48cm Bluetooth version:Bluetooth 5.1 Operating voltage:3.0-4.2V Operating current:Less than 1.0MA (CPS light off) Standby current:Less than 0.7MA Colour:Black Material:ABS Package Contents: 1 * folding keyboard 1 * USB charging cable 1 * English manual Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.