V5.0 Bluetooth 5.0 Audio Transmitter Receiver 2 IN 1 RCA 3.5MM 3.5 AUX Jack USB Music Stereo Wireless Adapters For Car TV MP3 PC

Bluetooth Transmitter & Receiver 

Features:

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.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/KN330, find KN321/KN330 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 successful. 

how to use:

TX mode: 

How to use: