The Sony MDR-XB950BT has impressive audio quality, but it’s brought down by outdated style and overpowering optional bass. Description Brand Sony Model Name MDR-XB9900BT Color Green Form Factor On Ear Connectivity Technology Bluetooth About this item Bluetooth audio streaming with AAC and apt-X support, Electronic Bass Boost circuitry for added bass emphasis, Passive mode for normal, corded operation without battery. Connectivity Technology: Wired/Wireless Comfortable around-the-ear design, 40mm drivers for wide frequency response (3 – 28 kHz, with cord), Built-in microphone for hands-free phone calling, Rechargeable battery for up to 20 hrs music Convenient One-touch listening technology, Sophisticated swivel design for portability, USB charging cable and detachable audio cable included SKU: 1 Categories: Fiji Traders, Headsets, Earbuds & Earphones