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

Note: BT-S2 cannot be paired with other products (e.g. Sena).If there is any question, please contact us by email in the first time. We are glad to serve you. Contour design: The all-silica gel waterproof is adopted.Suitable for any full-face helmets and most half-face helmets.Bigger push-button make it easy to operate even with gloves. And it adopts the buckle type connection between the headset and the clip, easy to assemble / disassemble. Powerful Function: Bluetooth Hands-free and Wireless Streaming Music (A2DP): Support answering or rejecting incoming calls/redialing the last call/automatic answering of incoming calls/music playback, pause, up and down song switching/FM station search in ultra-wide band (76-108MHz). Noise Cancelling Technology: DSP echo cancellation and noise suppression technology ensures clear voice quality at high speed. Bluetooth 3.0 EDR: Full duplex communication. speed up to 50 -75 mph and the longest distance of 800-1000 m (no obstacles).After Bluetooth is connected to the mobile phone, priority switching between phone, intercom and stereo music can be realized. support automatic answering of incoming calls.