Full cup headphone with in-line microphone to take and make calls. Features powerful 40mm drivers that deliver crisp and clear sound. Offers adjustable headband and soft cushioned comfort fit earpads to block out unwanted background noise. Bluetooth® Wireless Headphones—Up to 8 hours of play/talk time. Earpiece Type: Ear Cushions; Earpiece Material: Foam; Microphone: Yes; Headset Features: Wireless; Bluetooth; Inline Mic.