3.5mm Car Kit Adapter Bluetooth 5.0 Receiver Aux Audio Receiver Adapter For Phone Headphone Wireless Music MP3 Bluetooth

3.5mm Bluetooth 5.0 Receiver Aux Audio Receiver Adapter For Phone Headphone Wirele Music MP3 Bluetooth Car Kit Adapterproduct manual:Bluetooth version: Bluetooth 5.0Interface type: 3.5mmBattery specifications: 70mah rechargeable lithium batteryProduct size: 5.9*1.5*1.2cmProduct bare weight: 12g (Bluetooth receiver + metal adapter)Total weight: 25gProduct features: Bluetooth receiver, car Bluetooth receiver, car Bluetooth receiver, AUX Bluetooth receiver, audio adapterbasic skills:Voice prompt: supportOne for two: supportPairing timeout shutdown: The pairing state lasts for 5 minutes and then shuts down.Low battery reminder: when the voltage is le than 3.2V, reminder once every 5 seconds, 3.1V shutdownsystem status:Power on and off: MFB long pre for 3 secondsVolume plus: short pre VOL+Volume minus: short pre VOL-Switch language: Double-click and hold MFB in the pairing state (red and blue to f)Music control:Play pause: short pre MFBPrevious song: VOL - long pre for 2 secondsNext song: VOL+ long pre for 2 secondsTelephone control:Answer the call: Short pre MFB when callingRefuse to answer the phone: pre MFB when callingRedial without number: double-click the MFB on, then short pre MFB to cancel the dial-outLed light shows:Boot pairing: red and blue lights alternately fConnection status: blue light fes slowly (5 seconds 1 time)Low voltage: red light fes (0.5 seconds 1 time)