This is an original keyboard from Dell. This is not the market copy version. This is not the keyboard available in the market for 800-1000 Taka. This is very thick, durable, and sturdy. The USB cable is also very thick. This is a long-lasting, lifetime-supported keyboard for rough use. This was brought from abroad. It was purchased for 69 pounds. The original price on Amazon is 8500 Bangladeshi Taka.