Description:<br />This is a new wireless Bluetooth stereo headset｣ｬ which uses the over-the-head design and wireless Bluetooth technology. And｣ｬ it can connect with Bluetooth-enabled devices with Audio Gateway and PDAs. Moreover｣ｬ desktop and notebook computers can be connected and paired with the Headset using a USB Bluetooth Dongle｣ｬ and it has the dual-link function can connect two mobile phones simultaneously. <br />Specification:<br />Color:Black<br />Size:150mm x 140mm x 47mm<br />Package weight: 4.8 oz/136g<br />The USB cable length: 105cm<br />Standard Convention/Signal input: Bluetooth V2.1｣ｬ Class 2<br />Frequency Band: 2.4 GHz-2.4835GHz｣ｬ ISM Band<br />Talking/Standby time: up to 8 hours/Up to 200 hours<br />Supporting profile: Headset and Hands-free<br />Connection: Peer to Peer<br />Data Encryption: 128 bits encrypted<br />Working range: up to 10 m<br />Power Capacity: Rechargeable Li-Polymer<br />Power supply: DC 5V｣ｬ 100-240V AC adapter<br />Operation temperature: -10 -55  <br />Facility Saving temperature: -20 -60  <br />Operation Moisture: 10%-90% (non-concrete status)<br />RF Sensitivity: >= 75DBm<br /><br />How to use:<br />Pairing:<br />When pairing｣ｬ please place the phone and headset together (the distance should be less than 1 meter) to guarantee pairing smoothly<br />Pairing with one phone:<br />a.Turn on both the Headset and the phone<br />b.Hold the Headset's MFB for 8 seconds until its blue and red indicator lights flash alternatel