Specification AudioInput : 3.5mm auxiliary jack or USB-C AudioOutputMode : Stereo AudioOutputType1 : Speaker AudioOutputType2 : Headphone AudioOutputType3 : Home stereo BatteriesIncluded : 1 BatteriesRequired : 1 BatteryInstallationDeviceType : not_installed Brand : JOYROOM BulletPoint1 : LATEST BLUETOOTH 5.4 TECHNOLOGY lightning-fast pairing with this Bluetooth transmitter receiver cutting-edge 5.4 technology, delivering 3x more stable connection than older versions. Perfect as a Bluetooth transmitter for TV setups, it enables simultaneous dual headphone connections for shared movie nights or travel companionship BulletPoint2 : SMART OLED DISPLAY Never guess device status again! Our exclusive 1-inch OLED screen clearly shows real-time battery level (0-100%), active mode (TX/RX), connected devices, and audio codec - a game-changer competitors lack in bluetooth transmitter technology BulletPoint3 : TRAVEL-FRIENDLY AIRPLANE COMPANION Transform any airline seatback screen with this bluetooth adapter for airplane, using the included 3.5mm AUX cable. Compact 0.57x1.88x1.88" design weighs less than 2oz - the ultimate aux to bluetooth adapter for carry-ons BulletPoint4 : UNIVERSAL MULTI-DEVICE COMPATIBILITY Works seamlessly as a TV bluetooth transmitter (via RCA/3.5mm AUX), aux bluetooth adapter for cars, and speaker upgrade tool. One-touch TX/RX mode switching ensures studio-quality signal transmission across all devices BulletPoint5 : 30HR BATTERY Reliable wireless streaming (30hrs TX/18hrs RX at 60% volume) with 400mAh power. Instantly reconnects to devices — perfect for all-day meetings, road trips, or home theater setups BulletPoint6 : 2 IN 1 BLUETOOTH TRANSMITTER RECEIVER In TX mode, you can connect the device to a TV, airplane, and other devices without Bluetooth function, and then connect Bluetooth headphones to listen to music; in RX mode, you can turn non-Bluetooth stereo devices such as car audio, old speakers into Bluetooth devices, and then connect mobile phones, computers, etc. to play music; without the constraints of cables, move more freely without affecting audio playback BulletPoint7 : WE CARE FOR YOU You're welcome to us with any questions or concerns. Our highly trained Customer Service team will respond promptly within 24 hours to answer questions and resolve any problems you may have with our JR-CB2S Bluetooth transmitter receiver BulletPoint8 : NOTE Does not support hands-free calling Color : Black CompatibilityOptions : TV, Headphones, Car Stereo, Airline Seatback Screens, Bluetooth-enabled Devices CompatibilityOptions1 : TV/Airplane/Phone/PS4/PS5 CompatibilityOptions2 : Speaker/Airpods/Headphones/Home Stereo/Wired old devices CompatibleDevices1 : Television CompatibleDevices2 : Car Stereo System CompatibleDevices3 : Speaker CompatibleDevices4 : Headphone CompatibleDevices5 : Radio CompatibleWithVehicleType1 : Car CompatibleWithVehicleType2 : Boat CompatibleWithVehicleType3 : Truck ConnectivityTechnology : Bluetooth ConnectivityTechnology1 : Bluetooth ConnectivityTechnology2 : AUX ConnectivityTechnology3 : Auxiliary ConnectorGender : Female-to-Male ConnectorType : USB Type C ConnectorType1 : Auxiliary ConnectorType2 : USB Type C ContainsBatteryOrCell : battery ControllerType : Button Control ControlMethod : touch DataLinkProtocol : Bluetooth ExternallyAssignedProductIdentifier1 : 768622823307 ExternallyAssignedProductIdentifier2 : 0768622823307 FinishType : Abs HardwareInterface : bluetooth HardwareInterface1 : 3_5_mm_audio HardwareInterface2 : usb3.0_c Hazmat1 : LITHIUM ION BATTERIES PACKED WITH EQUIPMENT Hazmat10 : DE_SmallLithiumIonBatteryWithEquipment Hazmat11 : EG_SmallLithiumIonBatteryWithEquipment Hazmat12 : ES_SmallLithiumIonBatteryWithEquipment Hazmat13 : FR_SmallLithiumIonBatteryWithEquipment Hazmat14 : GB_SmallLithiumIonBatteryWithEquipment Hazmat15 : IE_SmallLithiumIonBatteryWithEquipment Hazmat16 : IN_SmallLithiumIonBatteryWithEquipment Hazmat17 : IT_SmallLithiumIonBatteryWithEquipment Hazmat18 : JP_SmallLithiumIonBatteryWithEquipment Hazmat19 : MX_SmallLithiumIonBatteryWithEquipment Hazmat2 : UN3481 Hazmat20 : NL_SmallLithiumIonBatteryWithEquipment Hazmat21 : PL_SmallLithiumIonBatteryWithEquipment Hazmat22 : SA_SmallLithiumIonBatteryWithEquipment Hazmat23 : SE_SmallLithiumIonBatteryWithEquipment Hazmat24 : SG_SmallLithiumIonBatteryWithEquipment Hazmat25 : TR_SmallLithiumIonBatteryWithEquipment Hazmat26 : US_SmallLithiumIonBatteryWithEquipment Hazmat27 : ZA_SmallLithiumIonBatteryWithEquipment Hazmat28 : 9 Hazmat3 : II Hazmat4 : AE_SmallLithiumIonBatteryWithEquipment Hazmat5 : AU_SmallLithiumIonBatteryWithEquipment Hazmat6 : BE_SmallLithiumIonBatteryWithEquipment Hazmat7 : BR_SmallLithiumIonBatteryWithEquipment Hazmat8 : CA_SmallLithiumIonBatteryWithEquipment Hazmat9 : CN_SmallLithiumIonBatteryWithEquipment HumanInterfaceInput : buttons IncludesRechargableBattery : 1 InstallationType : wired ItemName : JOYROOM Bluetooth 5.4 Transmitter Receiver with OLED Display [2025 Travel Essentials] for 2 Airpods or Headphones,3.5MM AUX Jack Adapter on Flight, TV, Airplane, Car Stereo, 400mAh- 30H Battery Life ItemPackageDimensions_Height : 11.9888 centimeters ItemPackageDimensions_Length : 2.3114 centimeters ItemPackageDimensions_Width : 9.906 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : mp3-bluetooth-transmitters Manufacturer : JOYROOM Material1 : Acrylonitrile Butadiene Styrene (ABS) Material2 : Polycarbonate (PC) MediaType : MP3, WAV, USB ModelName : JR-CB2S Bluetooth transmitter ModelNumber : JR-CB2S NumberOfChannels : 1 NumberOfItems : 1 NumberOfLithiumIonCells : 1 NumberOfLithiumMetalCells : 1 NumberOfPorts : 2 PartNumber : CP312 PowerPlugType : type_a_2pin_na PowerSourceType : Battery Powered ProductDescription : bluetooth transmitter for tv bluetooth adapter for airplane airplane bluetooth adapter for headphones aux bluetooth adapter bluetooth transmitter receiver 3.5mm bluetooth adapter car transmitter ProductSiteLaunchDate : 2025-06-01T07:00:00.000Z SafetyWarning : Battery handling: Keep battery away from extreme temperatures and humidity. Do not expose battery to fire or water. Dispose of battery according to local regulations. Interference warning: This device may interfere with other wireless devices. Follow instructions to minimize interference. Size : Small SpecificUsesForProduct : Headphones Style : Modern SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredHasProductIdentifierExemption : 1 SupportedApplication : Any audio application via Bluetooth or AUX SupportedStandards : Bluetooth 5.4, AAC SupportsBluetoothTechnology : 1 UnitCount : 1 UnspscCode : 43211614 Voltage : 5 volts_of_direct_current WarrantyDescription : 1 year WirelessCommStandard : bluetooth