Specification AudioInput : 3.5mm Aux AudioOutputType : Rca Brand : GOLDEN BLUE BulletPoint1 : The appearance of the product is exquisite. Using Bluetooth 5.0 chip design, stronger compatibility and stability. Bluetooth receiver (RX), Bluetooth transmitter (TX) 2-in-1 design, toggle switch to switch quickly. BulletPoint2 : Equipped with high-definition LED digital display, working status and Bluetooth mode are clearly visible. Built-in digital to analog chip, supports six signal interfaces of digital optical fiber, coaxial, AUX, RCA, U disk, and TF card. BulletPoint3 : Upgrade the NFC function, the mobile phone can connect with one button. Cool breathing light, red/blue color, soft and not dazzling. BulletPoint4 : Built-in 500mAh rechargeable lithium battery, long battery life. Support USB (U disk), TF card playback and transmission. Support 5-8 meters infrared remote control, all kinds of functions are readily available. BulletPoint5 : Built-in high-definition microphone, support wireless music listening, hands-free call, navigation. The product connection is simple, without any cumbersome driving and downloading APP Color : Black/Silver CompatibleDevices1 : Television CompatibleDevices2 : Speaker CompatibleWithVehicleType : Car ConnectivityTechnology : Bluetooth ConnectorGender : Female-to-Female ConnectorType1 : 3.5 Mm Auxiliary ConnectorType2 : RCA ControlMethod : remote ControlType : Remote Control DataLinkProtocol : Aptx-ll HardwareInterface1 : bluetooth HardwareInterface2 : audio_video_port HumanInterfaceInput : buttons IncludesRemote : 1 ItemName : M8 Bluetooth 5.0 RCA Audio Receiver Transmitter APTXLL 3.5mm AUX Music Wireless Adapter with Mic NFC for Car TV Speakers ItemPackageDimensions_Height : 1.02 inches ItemPackageDimensions_Length : 4.25 inches ItemPackageDimensions_Width : 2.56 inches ItemTypeKeyword : mp3-bluetooth-transmitters Language : english Manufacturer : GOLDEN BLUE Material : Plastic MediaType : Audio ModelName : M8 ModelNumber : TR22 PartNumber : TR22 PowerSourceType : Corded Electric ProductDescription : Product model: M8 Bluetooth version: Bluetooth V5.0 Support protocol: RX: A2DP AVRC TX: A2DP Working frequency band: 2.402GHz -2.480GHz Power level: power level 2 (Class II) Sensitivity: -85dBm less than 0.1%BER Signal to noise ratio: greater than equal 90dB Distortion degree: less than equal 0.1% Interface Type: Input: 3.5mm AUX+RCA+Optical+Coaxial+USB+TF interface Output: 3.5mm AUX+RCA Optical parameters: support optical input, 16M, sampling rate 96kHz Support format: MP3/WAV/WMA/APE/FLAC/G729/M4A/ALAC/AMR/DTS/MIDI/G726/MTY Screen size: 32 x 14.5 x 7 MM Working current: less than 40mA Built-in battery: 3.7V/500mAh 1.85Wh Charging current: about 500mA Charging time: about 1.5 hours Life time: RX about 10H, TX about 8H Bluetooth distance: less than equal 10M-15M (open place) Charging method: Type-C 5V-0.5A Compatible devices: Android, IOS system mobile phones and PAD, active speakers, power amplifiers and Bluetooth speakers or earphones that support A2DP/protocol are connected for use colour:Black Material:ABS size:86 x 65 x 22mm ProductSiteLaunchDate : 2024-10-03T03:45:13.865Z SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredHasProductIdentifierExemption : 1 SupportedStandards : Aptx-ll SupportsBluetoothTechnology : 1 UnspscCode : 43211614 Voltage : 5 volts WarrantyDescription : 1 WirelessCommStandard : bluetooth