Discontinued. We recommend the SENA 60S Mesh Headset. Click here to view. Stay connected with the passengers in your car and outside of your car with the Sena 50s. Featuring Open Mesh, Group Mesh or Bluetooth, there are 3 intercom modes to chose from. Experience incredible music quality with SOUND BY Harman Kardon speakers. Pair to other Sena devices like the TuffTalk Mesh headset. Up to 1.2 miles of range in open terrain. (Can extend up to 5 miles between 6 riders at 1 mile apart) 9 Open Mesh Channels (similar to how two-way radios work, but in full duplex) Private Group mesh intercom for up to 24 riders. Up to 11 hours of mesh intercom talk time Premium Speakers & Microphone with SOUND BY Harman Kardon One-Click-to-Connect Mesh Intercom™, Robust Reliability Bluetooth® 5 enabled Voice-activated digital assistant access ("Hey Google"/"Hey Siri") 30% faster rapid charging Automatic firmware updates via the included WiFi Adapter A tried-and-true glove-friendly jog dial design 3-year Warranty Downloads Videos 50s Quickstart Guide SENA Motorcycles App APPLE | GOOGLE Specifications INTERCOM Working Distance: Bluetooth Intercom: up to 1.2 miles in open terrain Mesh Intercom: up to 1.2 miles* in open terrain*Can extend up to 5 miles between a minimum of 6 riders at 1 mile apart. Supports up to: Bluetooth Intercom: 4 riders Open Mesh Intercom: virtually limitless Group Mesh Intercom: 24 riders Supports Channels: Open Mesh Intercom: 9 channels MESH NETWORK Mesh Intercom™ Technology BLUETOOTH Bluetooth 5.0 Headset Profile (HSP) Hands-Free Profile (HFP) Advanced Audio Distribution Profile (A2DP) Audio Video Remote Control Profile (AVRCP) AUDIO Noise Cancellation: Advanced Noise Control™ Codec: Built-in SBC Codec FM Radio: Radio frequency specifications: 76 ~ 108MHz 10 preset station memory Premium Speakers & Microphone with SOUND BY Harman Kardon GENERAL Dimensions: Main module: 4.0 in x 2.2 in x 1.1 in Speaker Driver Unit: 40 mm – thickness - 7.2 mm Boom microphone: length - 190 mm Wire between speakers: length - 555 mm Weight: main module - 2.26 oz Operating temperature: 14°F - 131°F Charging temperature: 32°F – 113°F BATTERY Talk time: Bluetooth intercom: up to 12 hours Mesh intercom: up to 11 hours Charging time: 2.5 hours Fast Charge: 20 minutes of charging equals 2 hours Bluetooth intercom or 2 hours Mesh Intercom Type: Lithium Polymer Battery CERTIFICATES CE, FCC, IC WARRANTY 3-Year Warranty