The AKG K 530 LTD is a pair of headphones manufactured by AKG Acoustics. These headphones feature a closed-back, over-ear design and are known for their lightweight and comfortable fit. They have a frequency range of 16Hz to 20kHz and an impedance of 32 ohms. The K 530 LTD headphones also have a detachable cable and come with a carrying pouch for portability. They are designed for general audio listening and can be used with various devices such as smartphones, tablets, and music players.