Mode switching:

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

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

Pairing method

RX mode: Pairing name: KN320, find KN320 in the Bluetooth settings of the phone to pair. The blue light flashes during the pairing process, and the blue light stops flashing after the pairing is successful. Connect the product to the audio device with a 3.5 audio cable

TX mode: TX mode will automatically search for other Bluetooth receiving devices (such as Bluetooth headset, Bluetooth speaker, Bluetooth receiver, etc.), the red light flashes during pairing, and the red light stops flashing after pairing succeeds. Connect the product to a device such as a TV with a 3.5 audio cable/RCA audio cable

Description:

Size:32mmx17mmx8.5mm

Material:ABS

Type:USB Bluetooth Transmitters

Color:As the picture

Interface:AUX

Transmission rate:100 Mbps

Working Frequency:2.4 MHz

Bluetooth version:5.0

Technologies: BT5.0, A2DP, AVRCP (receiver mode only)

Operation Range:Up to 10m / 33ft (without any blocking objects)

Transmitter mode:Red LED light is on

Receiver mode:Blue LED light is on

Package Includes：

1x Bluetooth 5.0 Audio Transmitter/Receiver Adapter

1x 3.5mm Aux Cable

1x User Manual