"he 808 Duo, HPA89BKMBT lets you listen to your music wirelessly or wired (cables included). The HPA89BKMBT supports Bluetooth® v2.1 EDR A2DP and AVRCP and has a LED pairing indicator. The 808 Duo has an integrated mic for hands-free calls via Bluetooth® or flat cable with mic. The HP89BKMBT has a built-in rechargeable battery – up to 12 hours of listening (charging cable included). Seamless acrylic molded foldable, over-the-ear, Noise-isolating, design with Soft form-fitting leather padding for convenience and comfort .The 808 Duo, HPA89BKMBT comes with 2 detachable cables; a Duotone flat cable with mic and DJ-style heavy cable. Use the durable carrying case to take your 808 Duo's anywhere.