Audio-Technica ATH-S200BTBK Bluetooth Headphones , Black

 Bluetooth wireless technology with mic and controls built into the ear cup for answering/ending calls, controlling music & video playback and adjusting volume on connected devices. 40 mm drivers for outstanding sound quality. Internal battery provides up to 40 hours of continuous use (1, 00 hours on standby) on a full charge. Headphones fold flat for easy transport. Includes 30 cm (1') USB charging cable.