PC Magnetic Earphones. Bt 41 Transmission with Up to 3 Hours of Autonomy. the Earphones Are Capable of Answering Calls, Control Volume & Connect to the Playlist of a Mobile Device. Includes USB Cable for Charger. Supplied in an Eva Pouch. 80 x 65 x 32 Mm; Certificates Available: Msds, Emc, BPA Free, Emc, Reach Minimum Quantity: 1