This keyboard has a built-in touchpad and media controls. It supports up to 10 devices and has a rechargeable battery that provides up to 3 months of battery life on a single charge. The keyboard has a 10-key number pad and is designed for use with a PC-connected TV, Windows, Android, Chrome OS, laptop, or tablet. Price drops from $27.99 to $19.99. Shipping is free for prime members or on orders over $35. Otherwise, it adds $6.99.