Bluetooth 2-in-1 transmitter receiver adapter Specifications:

1. This extremely portable, lightweight wireless audio transmitter & receiver is an ideal wireless audio solution for a wide range of situations and uses

2. Transmitter mode:wirelessly streams audio from your non-Bluetooth TV, home stereo system, or CD player to your Bluetooth headphones or speakers

3. Receiver mode: wirelessly streams audio from your Bluetooth-enabled phone, tablet, or computer to your wired stereo, speakers, or headphones

4. Mode switching:

a) If the device has been in a mode for a long time, it needs to be re-energized twice to switch to another mode.

b) If the device has just switched mode, you want to immediately switch to another mode, you only need to re-energize once.

5. There is no built-in battery, and it is powered by DC 5V usb interface:
Insert usb power, the red light is on in the transmitting mode, the red light flashes when pairing, and the red light is always on after the pairing succeeds.
Insert usb to power on, the receiving mode is blue light, the blue light flashes when pairing, the blue light is always on after pairing is successful.

6.   How to use:

a) Receiving mode: used in home audio, wired headphones, car audio, etc. without Bluetooth.
How to use: Power on the product and confirm the receiving mode (blue light), open the Bluetooth settings in the phone and tablet, search for the pairing name: KN323 for pairing, connect the home audio, headphones, car audio with 3.5 audio cable Wait.

b) Transmitting mode: Use on TVs, computers, mp3s, etc. without Bluetooth. There is no need to install the driver, but it needs to be connected with 3.5 audio cable. It can only transmit audio and cannot transmit data.
 How to use: Power on the product and confirm  the transmitting mode (red light). The product will automatically search for the Bluetooth headset, Bluetooth audio, Bluetooth receiver and other devices next to it.

7. The KN320 just 32mm (1.26”) across and weighs only 3.2g (0.11oz), but has got powerful wireless audio streaming capabilities. Slip this transmitter & receiver into your backpack or laptop bag and take it on-the-go without the slightest effort.

8. Broad Compatibility: With the included 3.5mm cable, this Receiver Transmitter adapter can widely be used on your computer, laptop, home stereo system, headphone, smartphone, Mp3 player, CD player, etc.

Package Content:

1x Bluetooth 5.0 Audio Transmitter/Receiver Adapter

1x 3.5mm Aux Cable

1x User Manual

What we could do:

1.Excellent OEM/ODM service
2.Quality guarantee:RMA rate is below 0.2%.
3.Timely shipment
4.Professional designer,follow up the market timely even be leadership 
What we provide:
1.One year warranty
2.After-sales service
3.Technology support
4.Quick delivery: Within 2days normal small order/7-15days for OEM&ODM
5.Sample cost is refundable at a bulk order

Shenzhen Higi Technology Co., Ltd. is a professional manufacturer of Bluetooth & Audio products,mainly supply: Bluetooth headset,
Bluetooth headphone,Bluetooth earphone;Bluetooth Receiver Transmitter ,Wifi Adapter;

Bluetooth speaker/ Mini Bluetooth speaker; Blutooth Car Kit ; Data Cable;Audio products like wired earphone; Power bank etc. Direct export to global countries by air, by ship or Couriers DHL,FEDEX, TNT, UPS,EMS etc. Offer the best price and the prompt delivery. 
Welcome for inquiries and order with us on follow contact detail.
Contact person: green wei
Mobile/WeChat : +86 158 1874 9479