<b>Yideng BT-S2 Waterproof Bluetooth Headset for motorcycle helmet with long-range Bluetooth Intercom designed specifically for motorcycles.<br /><br />★The Bluetooth headset is compatible with Bluetooth cellular phones and It works with any Full-Face Helmet and most Half-Face Helmets.<br /><br />★Bluetooth 3.0+EDR and Full-Duplex:</b><br />2-3 riders can communicate each other,and 2 riders can talk to each other at the same time.<br />Support high speed maximum up to 120km/h(75mph) in the case of good communication signal.<br />Riders can communicate at a remarkable range of maximum distance up to 1000m at open ground.<b><br /><br />★Auxiliary audio-in connection via 2.5mm jack.Support Incoming and outgoing audio.<br /><br />★Listen to Stereo Music,FM Radio and Voice Instructions of GPS,News and Traffic Information and so on while driving,All functions can be Switched Freely.<br /><br />★Easy to Install and Excellent Waterproof.<br /><br />★Headset Profile (HSP) and Hands-Free Profile (HFP)<br /><br />★Advanced Audio Distribution Profile (A2DP) and Audio Video Remote Control Profile (AVRCP).<br /><br />★Other technical reference:</b><br />--Frequency:2.4GHz<br />--Sample rate: 48kHz (DAC)<br />--Talk time: 8 hours<br />--Stand-by time: 10 days<br />--Charging time: 3.5 hours<br />--Type: Lithium polymer battery<br />--Operating temperature: -10˚C - 55˚C (14°F - 131°F)<b><br /><br />Certificates:<br />CE、 FCC、 ROHS、 BQB<br /><br />In the Box:</b><br />2xBT-S2 Bluetooth Headset Main Unit<br />2x Super-slim Stereo Headphones and Microphone<br />2X Travel Charger<br />2 x USB Cable<br />4 x Stickers<br />2 x Wrench<br />2 X Headset Clip with Fastening Screws<br />2 X Audio Cable<br />1 x User Manual<b><br /><br />Tips :<br />●Now there are many products have the same appearance as our company's on the platform,so please be cautious about purchasing. <br />●Our products have passed strict inspection to ensure that quality and after-sales problems can be solved in time.<br /> ●When the item is not used for a long time, please leave it in a cool and dry place.</b>