Wireless Bluetooth Transmitter & Receiver

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.Switch between transmitter and receiver modes with the simple flick of a switch. Effortlessly connect using advanced Bluetooth technology and 3.5mm audio cable (included).

5.Super-Portable Audio-Streaming Power

The KN321 is just 44mm (1.73") across and weighs only 18g (0.63oz), 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.

Power on: Press and hold the power on/off button until the LED lights up

Shutdown: Press and hold the power on/off button until the LED is off

Charging: Use the DC-5V charger and micro usb charging cable. The red light is on during charging. When the battery is fully charged, the blue light is on.

►Switch mode:

1)RX: Receive mode, indicator: blue LED

2)TX: Transmit mode, indicator light: red LED

►RX mode: Pairing name: KN321/KN319, find KN321/KN319 in the Bluetooth settings of the phone to pair. The blue light flashes twice a second during the pairing process, and the blue light flashes once every three seconds after the pairing is s

Features & details

【5.0 Bluetooth 2 in 1 Adapter】The Bluetooth transmitter receiver USES 5.0 technology to provide more stable, faster transmission, lower power consumption, while demonstrating exceptional audio performance. With audio adapter bluetooth 5.0, data transmission rate is twice the bluetooth 4.2, and can keep for up to 20 meters long distance connection,so the range is really good.

【Bluetooth Transmitter and Receiver】The Bluetooth transmitter supports dual-stream receiver mode (RX) and transmitter mode (TX),Receiver mode (RX mode, blue light): Wireless audio from Bluetooth phone and computer to stereo, speaker or headset,Transmitter mode (TX mode, red light): the audio from the bluetooth TV, home stereo or CD player wireless transmission to the bluetooth headset.

【2021 HD New Version】The Bluetooth adapter has been greatly upgraded based on the previous version.By adopting the technology of 5.0 low latency, eliminates the bluetooth audio delay, provides excellent audio quality, and have powerful wireless audio stream. with faster transfer speed, better sound quality, and can continuous use for more than 10 hours.

【Super Wide Compatibility】The Bluetooth adapter Equipped with 3.5mm cable and 3.5mm to 2RCA cable, this bluetooth adapter can be widely used in your computer (does not apply to Linux systems), laptop computers, home stereo system, headphones, smart phones, Mp3 players, CD players, etc