-Reorient or relocate the receiving antenna. -Increase the separation between tha equipment and receiver. -Connect the engulfment Into an outlet on a circuit different from that to which the receiver is connected. -Consult the dealer or an experienced radio/TV technician for help. Bluetooth Headset user Guide Signal Output: Bluetooth v2.1, Class 2 Standby Time: Up to 220 hours Connections: Up fo 2 devices simultaneously Safety Regulation: CE, FCC, BQB Overview: Thank you for purchasing this headset.