Peace, mercy, and blessings of God be upon you. Sony WH-CH520 wireless headphones, clean. I got them through STC. I used them twice and put them back in the box. Headphone features: Surround sound, very strong battery, charge it fully and it lasts about two days. Connects via Bluetooth to your phone or laptop. It has a strong and clear built-in microphone, and its isolation is semi-surround. Suitable for games or the gym.