Quick overview from the supplier:
Headphones SVEN AP-860V / CD-860 / GD-750V
Stereo headphones with the volume control
3.5 mm (3 pin) connector for PC and mobile devices
Unilateral connection of the cable
Volume control on the cable
Soft tight-fitting adjustable headband
Leatherette ear cushions
https://www.sven.fi/en/catalog/headphones/cd_860.htm?sphrase_id=2193994
