Bluetooth Receiver & Transmitter Wireless 3.5mm Aux Audio Adapter Car TV StereoType A:2-IN-1 Bluetooth Receiver & Transmitter Wireless RCA to 3.5mm Aux Audio AdapterDescription:

• [Receiver Mode] Bluetooth Receiver change the traditional speakers into Bluetooth-enabled ones. After paired, play music wirelessly from your Bluetooth-enabled Smart Phones, Laptop, Tablet and more without the hassle of cables. Support Automatic Re-connection.
• [Transmitter Mode] Bluetooth Transmitter is specially designed for the Audio Devices (such as MP3, MP4, TV and PC, etc.) without Bluetooth function. You can connect the Bluetooth Transmitter to the audio devices via the included 3.5mm Audio Plug, changing these audio devices into Bluetooth-enabled audio devices, and making it work with Bluetooth-enabled Headset and Speaker.
• [ANC Noise Reduction & AEC Echo Cancellation] Support Noise Suppression and Echo Cancellation, offering you Magnificent Stereo Sound & Wonderful Sound Quality.
• [Strong Compatibility] Compatible with Android & IOS smart phones and PAD, almost all Bluetooth-enable Audio Devices, and Stereo System with 3.5mm port.
• [Low Power Consumption] Built-in 500mAh Battery ensures up to 8 hours working time, you can enjoy wireless free all day long. Simple use, no need to download any APP.

Features:

• 2 IN 1 Bluetooth adapter with Bluetooth receive and Bluetooth transmit
• Bluetooth transmitter: Add wireless function to your TV, PC, MP3, DVD player to enjoy wireless music sounds
• Bluetooth receiver: turn any speakers, headphones, stereo system to Bluetooth enabled
• Bluetooth 4.1 for receiver & Bluetooth 2.1 for style="line-height: 1.5;">Supported Protocol: A2DP, AVRCP, HFP, SPP HID
• Bluetooth Distance: 10 Meters &（transmit 5 Meters ）
• Battery Capacity: 500mAh
• Charging Input Voltage: DC 5V
• Receiving working current: ≤ 43MA
• Transmitting working current: ≤ 60MA
• Operating frequency: 2480MHZ
• Bluetooth standard: Bluetooth 4.1
• Standby current: <18MA
• Built-in battery: Polymer 500MAH
• Charging current: 300MA
• Working time: ≥8H
• Charging mode: Micro USB 5V/0.5A
• Input/Output Mode: 3.5MM stereo audio port
• Compatibility: Compatible with phones and PAD of Android/iOS system, and all Bluetooth audio devices
• Size:9.7*5.8*0.9cm/3.82*2.28*0.35 inch

Package Includes:

• 1 x 2 in 1 Bluetooth Audio Transmitter & Receiver
• 1 x 3.5mm Audio Cable
• 1 x RCA Cable
• 1 x USB Charging Cable
• 1 x User Manual

Type B:USB Wireless Bluetooth 5.0 Transmitter Receiver Audio Adapter 3.5mm Aux Car 2 in 1Specifications:

• Color: Black
• Model: C28
• Bluetooth Version: v5.0
• Battery Capacity: 140mah
• Charging Time: 1h
• Use Time: 4h
• Output Interface: 3.5mm Audio
• Working Range/Transmission Distance: 10 Meters (Without Any Obstacles)
• Size: style="line-height: 1.5;">Application:
• Transmitting Mode: Computer, Tv, Projector;
• Receiving Mode: Speaker, style="line-height: 1.5;">2 IN 1: Universal Bluetooth audio adapter makes your TVs and other Non-Bluetooth devices Bluetooth enabled to stream audio to your Bluetooth headphones, or makes your home stereo Bluetooth enabled to receive the wireless music streaming from your phone and tablet.
• 3.5mm Audio Cable Connection. Note: This device can be used to answer calls. Bluetooth 5.0 + EDR: Bluetooth 5.0 + EDR allows for a more stable connection with devices, which also achieves a range of up to 33ft in the open air and up to 35ft indoors.
• Application: You can enjoy the TV show or CD-Like music from your smartphone or other Bluetooth devices via the Mini Bluetooth transceiver.
• Plug and Play: No driver required, easy to use. Works with the device which has 3.5mm jacks.
• USB Power Supply: Charge it on the USB port and connect it to the device via the audio adapter while using.

How to use:Receiver Mode:

1. use the micro USB cable to charge before use;
2. connect the C28 to your audio device using the AUX cable;
3. change the switch button to position RX;
4. turn on the device(long press in the multifunction button) then eht blue light will flash quickly,indicating that is ready for pairing;
5. find C28 in the wireless search of your phone and chose to pair.

Transmitter Mode:

1. use the micro USB cable to charge before use;
2. connect the C28 to your audio device using the AUX cable;
3. change the switch button to position TX;
4. turn on the device(long press in the multifunction button) then the red light will flash quickly,indicating that is ready for pairing
5. turn on the device you want to connect and the C28 will automatically connect.when the connection is successful the wireless indicator will illuminate red

Package Included:

• 1 x Bluetooth Receiver Transmitter
• 1 x Charge Cable
• 1 x 3.5mm Audio Head
• 1 x User Manual

Type C:Bluetooth 5.0 Transmitter Receiver 4 in 1 USB Wireless Audio 3.5mm Adapter Car TV Specification:

• Color: Black
• Type :4 IN 1 Bluetooth Adapter
• Bluetooth version:Bluetooth v5.0
• Function: Bluetooth audio receiving and transmitting combo
• Built-in noise reduction HIFI sound quality
• Transmission Distance: 10M
• Input interface: 3.5mm audio
• Input voltage: DC/5V
• Drive: No need to drive, plug and play
• Power Supply: no built-in battery, external power supply
• Receive/transmit 2 in 1.accept RX+TX TX 2-IN-1 design,long press left and right function keys to switch modes.easy to use and suitable for multiple devices
• TX transmission mode.new upgrade adds LCD display,can search and display 8 nearby bluetooth device for you to choose to connect,more intuitive and convenient to use
• RX receive mode.in receiving mode,you can adjust the volume,play up and down,etc.
• Bluetooth 5.0 chip faster and more stable.high-fidelity chip, stable transmission without stuttering
• Computer connected bluetooth headset/speaker.launch range up to 10 meters,enjoy original music in the mood
• TV with bluetooth headset.bring a bluetooth headset and watch the drama late at night without fear of affecting your family instantly turn into a bluetooth speaker.just insert it lightly,the traditional speaker is instantly resurrected with blood equip your car with an artifact.if youe car's bluetooth is broken or there is no bluetooth,just plug it in and use
• Listen wirelessly and enjoy hifi.built-in AEC echo cancellation and ANC anti-noise circuit,restore pure sound quality
• Drive-free wired and wireless switch in one second.plug and play,bluetooth fast matching connection,more convenient to use
• 10 meters barrier-free transmission music on the go.10meters transmission without obstacles,don't miss every beautiful note
• Small and exquisite,easy to carry.compact and lightweight,the convenience of bluetooth at any time

Package included:

• 1 x Audio Adapter
• 1 x Audio Cable
• 1 x Manual

Type D:Feature:
【Enjoy Wireless Streaming Music】: This car Bluetooth adapter can be connected to non-Bluetooth car audio systems, home stereos, speakers, wired headphones via the 3.5mm AUX adapter; And equipped with a Bluetooth 5.0 chip for stable connection / fast transmission / wide signal range. Just pair it with your phone and start listening to your favorite music!
【Intelligent Noise Reduction Tech】: Our Bluetooth audio receiver adopts the latest CVC8.0 Noise Cancellation and Digital Signal Processor (DSP) technologies, which can eliminate echo and block out intrusive background noise (such as wind, traffic, or crowds), providing you with crystal-clear calling sounds.
【Up to 16 Hours of Battery Life】: The working time of this aux Bluetooth adapter is up to 16 hours when making calls or playing music. And it takes only 2.5 hours to fully charge the device by using a Type-C fast charging cable (Included in the package). In addition, this Bluetooth music adapter can be used while charging, which is very convenient.
【Hands-free Calling & Navigation】: A built-in microphone and one “MFB” button to answer / redial / hang up / reject calls, help you make hands-free calls. And the Bluetooth audio adapter supports broadcasting voice notification from existed navigation App. You don’t have to look down the phone on the move. Make sure you drive safely!
【Dual Connection】: The portable Bluetooth stereo adapter can be paired with 2 devices at the same time.You can enjoy your music and never worry about missing any calls.Once paired, the car receiver will automatically reconnect to your last paired Bluetooth devices, as long as they are within the wireless range.
【Easy to Use】：Universal 3.5mm audio jack design ,Built-in mic for hands-free calling ,Multi-function button for Play/Pause and one-touch answering,“+”/ “-“ button for volume adjustment and Next/ Previous track.
【Battery Indicator】: Once the wireless receiver has successfully paired with the phone, its power will be displayed on the phone to know its usage time. (PS: Most Android phones will display the battery percentage on the Bluetooth connected device interface of the phone.)
【Small & Portable 】：This Bluetooth AUX adapter is small and lightweight, which makes it very easy to carry. You can take it anywhere for enjoying wireless music !

Specification:
Bluetooth version: Bluetooth V5.0
Battery capacity/Model: Lithium battery 250mAh
Transmission Distance：10 meters / 33ft
Charging current: 150mA
Charging port: Micro-USB
Using Time: 16 hours
Size : 5.8*3.2*1cm/2.3*1.26*0.4 inch
Indicator color definition: red light - charging， blue light -Bluetooth
AUX usage scenarios: cars, stereos, headphones, etc

Package included:
1 x Bluetooth AUX Car Adapter
1 x 3.5mm Male to Male Connector
1 x 3.5mm Audio cable
1 x Type-C Charging Cable
1 x User Manual

Pairing Steps:
1. Long press the “MFB” button for 3 seconds, the receiver power on and the indicator light flashes red and blue, which means it’s pairing mode.
2. Plug the 3.5mm audio connector into the AUX port on your receiver and the other end into the audio input port on your home stereo or car stereo.
3. Turn on the Bluetooth function of your smart device, search for “J22” and connect. After successful connection, the indicator flashes blue once every 5 seconds.
4. Then you can enjoy music or answer hands-free calls.

How to Pair with The Second Bluetooth Device?
1. Turn off the Bluetooth function of the first smart device, and the receiver will enter pairing mode again.
2. Turn on the Bluetooth of the second wireless device, search for “J22” and connect.
3. Turn on the Bluetooth function of the first smart device, select “J22” in your pairing history.
4. Then both of 2 devices have connected to the receiver at the same time.
Tips: When connecting to 2 Bluetooth devices, the default play source is the first one. If you want to switch the playback device, you should pause the current device first, then play the other one.

NOTE:
1. Charge at least once per 3 months, when not using for a long time
2. Can't be used for Echo dot

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