Hi ya, my uncle tom used to own an electrical repair shop, over the years he collected many bits & pieces that we are listing now he has passed away. I will try to get them on here as quickly as i can but as i work full time it will take a few weeks.

Product info that i managed to find from the internet.

• Enter the Razer Kraken X. Ultra-light at just 250g and ultra-immersive with 7.1 surround sound. Sit tight and play for hours—your gaming marathons are about to be a breeze.
• Equipped with 7.1 surround sound software so you can experience accurate positional audio when gaming—you’ll be able to pick up the direction of where the action is coming from so you’re ready to pounce into a gunfight.
• Featuring custom-tuned 40mm drivers, the Razer Kraken X produces clear and balanced sound from thundering explosions in all-out wars to subtle footsteps in stealthy covert operations.
• The flexible and bendable microphone utilizes a cardioid pattern that records sound from an area that focuses on your mouth.
• CONVENIENT AUDIO CONTROL - The microphone mute button and volume slider is easily accessed underneath the left earcup for convenient control.

ITEM CONDITION, Brand new headphones in original boxes. 

I found 5 sets of these in a box, all are sealed in original boxes.