Built-in rechargeable Lithium-Ion Battery for up to 23 hours of non-stop music and 19 hours of talk
Up to 66-foot range / Toggle between music and phone calls / Built-in microphone and volume control / Includes USB charging cable
Listen to the tunes on your Computer or Music phone via Bluetooth. When a call comes in, push a button on the Headphones to instantly Switch to your conversation. It's a new wireless solution that uses Bluetooth technology! Whether you're on a Notebook or a desktop, this is one less cable to contend with. So chat, listen, enjoy and enjoy another degree of freedom with this great Stereo headphone.