Compatible with PCs, Media-players and mobile devices 5.0 Bluetooth wireless signal transmission Call acceptance function Wired/wireless audio signal transmission Track switching control possibility Convenient design Micro USB jack jack for battery charging Battery operation time up to 8 hours Radius of operation up to 10 m https://www.sven.fi/en/catalog/headsets/ap-b700mv.htm?sphrase_id=2193961