Cellink BTST-9000A Bluetooth Stereo Headset +2.0 EDR Adapter Cellink BTST-9000A Bluetooth Stereo Headset +2.0 EDR Adapter class I (Cellink) General Features: Wireless Digital Stereo Sound for PC Up to 25 meters (82 feet) working range between the headset and the adapter 3 times speed transmission for Bluetooth multi-linkage Compatible with most Bluetooth mobile phones Stereo HeadsetFeatures Specifications: