BT‑21 Bluetooth 5.0 Transmitter Receiver Stereo Sound 2 in 1 Bluetooth Adapter Supports Auto Startup Shutdown 

   Feature: 

   1. In TX mode, the Bluetooth transmitter is plugged into non Bluetooth devices such as TV, PC and MP3 player via AUX RCA and transmits to Bluetooth headphones, speaker, soundbar; In RX mode, the Bluetooth receiver can be connected to wired speaker, earphones and to receive from smartphones via Bluetooth.  

   2.   With latest Bluetooth chip and software, the Bluetooth adapter not only helps to upgrade your old devices to Bluetooth capable without replacing them but also a CD like auditory feast. Tap to pair with for NFC equipped phones to connect.  

   3. Rich Interfaces: RCA, AUX. This Bluetooth 5.0 receiver transmitter can connect to any active speaker with a standard 3.5mm port or 2RCA port, which is very suitable for home theater, stereo and car speakers, as well as smart phones, and for Android devices.  

   4. Built in battery can support a full charge of the Bluetooth adapter at one time. Support 8h for receiving and 5h for transmitting. When in a low battery state, the adapter can be plugged into the power supply for charging while working.  

    5. Use the charging cable to connect your car or other power sources. When the car starts or has electricity, it will auto turn on and auto connect to the device you connected last time. When the car is turned off, it will auto shut down. 

    Specification: 

    Item Type: Bluetooth 5.0 Transmitter Receiver

 Material: ABS

 Model: BT-21

 Frequency Response Range: 10Hz-20kHz

 Signal To Noise Ratio: >90dB

 Bluetooth Version: V5.0

 Interface: RCA, AUX

 Output Impedance: 75 ohms

 Decoding IC: For Jerry IC

 Effective Open Distance: Approx.15m / 49ft

 Performance: Stereo HiFi Level

 Battery Capacity: 200mAh Li-ion Battery (included)

 Working Hours: RX 8h, TX 5h 

    Package List: 

    1 x Bluetooth 5.0 Transmitter Receiver 

    1 x 3.5mm Cable 

    1 x Type C Charging Cable 

    1 x RCA Cable 

    1 x Manual  

    How to use 

    You can use it after connecting the device. Bluetooth transmit mode (TX), convert wired devices into Bluetooth signals, and wirelessly transmit to the Bluetooth device for output; Bluetooth receive mode (RX), convert wired devices into Bluetooth signals, and wirelessly transmit to the Bluetooth device for output. Support NFC.