2 In 1 USB Bluetooth-compatible 5.0 Transmitter Receiver-

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Sincerely at your service .Please feel free to contact us if you have any questions.
Specifications:
USB port, lightweight and compact, easy to use and carry.
Transmitter mode: wireless transfer audio from non-Bluetooth TV, home stereo system or CD player to bluetooth-compatible headset or speaker.
Receiver mode: wireless transfer audio from Bluetooth-enabled mobile phones, tablets or computers to wired stereo, speakers or headphones.

Mode Switching:
If the device is in a certain mode for a long time, you need to power it back twice to switch to another mode.
If the device has just switched modes and you want to switch to another mode immediately, you only need to reactivate it once.

Pairing Method:
RX mode: pairing name: KN320, find the KN320 pairing in the bluetooth-compatible settings of the phone. The blue light flashes during the pairing process, and the blue light stops flashing after the pairing is successful. Connect the product to an audio device using a 3.5 audio cable.
Send mode: send mode will automatically search for other bluetooth-compatible receiving devices (such as bluetooth-compatible headset, bluetooth-compatible speaker, bluetooth-compatible receiver, etc.), the red light will flash when pairing, and the red light will stop flashing after pairing succeeds. Connect the product to a device such as a TV using a 3.5 audio cable/RCA audio cable.

Type: USB bluetooth-compatible Transmitter Receiver
Material: ABS
Bluetooth: 5.0
Interface: AUX 3.5mm + USB
Transmission Rate: 100Mbps
Effective Working Radius: 10m
Working Frequency: 2.4MHz
Technology: BT5.0, A2DP, AVRCP (Receiver Mode Only)
Pairing Name (Receiving Method): KN320
Transmitter Mode: Red LED Light On
Receiver Mode: Blue LED Light On
Features: Portable, Plug and Play, 2 in 1, Audio Adapter
Size: 3.2cm x 1.7cm x 0.85cm/1.26" x 0.67" x 0.33" (Approx.)

Notes:
Due to the light and screen setting difference, the items color may be slightly different from the pictures.
Please allow slight dimension difference due to different manual measurement.

Package Includes:
1 x USB bluetooth-compatible Transmitter Receiver

1 x 3.5mm Audio Cable
1 x User Manual