Feature:
2-in-1 Bluetooth adapter:
It is not only a bluetooth transmitter, but a bluetooth receiver. In TX mode, it can transmit sound from desktop computers, televisions and other wired devices to Bluetooth earphones and speakers; In RX mode, it can transfer music from a smartphone or tablet to devices such as old speakers and amplifiers that do not have Bluetooth functionality.
Bluetooth 5.4:
This Bluetooth adapter is equipped with the latest Bluetooth v5.4 chip, which will bring you faster, more stable, and smarter connections while reducing sound quality loss. Working distance up to 33ft
Multi functional interface:
The adapter can be connected to other devices through AUX cable, RCA cable, coaxial cable, or fiber optic cable to use. Double click the M key to switch between different modes.
Plug and play:
After inserting a TF card or USB flash drive and connecting it to a Bluetooth device, you can listen to music
Long battery life:
Built in battery, working time 8-12 hours (power consumption varies depending on different modes), charging only takes 2 hours
LED display screen:
The display screen will show the current working mode (TX/RX), and when inserting a TF card and USB flash drive, it will display (TF/USB);
Display the current connection method (AUX/OPT/COA)

Specifications
Model: RT06
Bluetooth version: V5.4
Transmission distance: 33ft (non-blocking)
Bluetooth profile: A2DP/AVRCP/HSP/HFP
Audio Codec: RX: SBC/AAC TX: SBC
SNR: 85dB
Audio Port: 3.5mm Optical Coaxial USB TF RCA
Charging Port: USB-C
Limited charging voltage: DC 5.2V
Connectivity: Bluetooth/U disk/TF card
Charging time: about 2 hours
Working time: about 12 hours

Package includes
1*Bluetooth Audio Receiver/Transmitter
1*3.5 audio cable
1*3.5 to RCA audio cable
1*USB-A to USB-C cable
1*User Manual