Product Features:

1.Unique 3D Surround Sound Function: With the 3D audio button, you can switch to 3D mode to enjoy the surround sound with High Fidelity from a normal audio source. Its advanced internal chip takes charge of the conversion to make it possible, using convenient lossless codes.
2.Auto On:When you connect to the power, So its very good for to use in car or other you want it have auto on functions.
3.Dual Device Link: Simultaneously pair your smartphone and tablet and stream music from either one with any stereo system that supports a standard 3.5mm or RCA jack.Connect two Bluetooth devices at once to listen to music, make phone calls, and more.
4.Connect two devices: Support to connect with 3.5mm audio port and 2 RCA audio port at the same time.
5.Wireless Music Streaming: Stereo stream music to non-Bluetooth headphones and speakers.
6.Space-Saving Design: Ultra-compact and lightweight for convenient use with a variety of devices.
7.Super Stable Connection: Our Bluetooth audio adapter is fitted with a Bluetooth 5.0 chip for steady pairing, fast transmission and a wide signal range (33 feet). With the 3.5mm AUX port and 2 RCA port, it can be connected to non-Bluetooth car audio systems, home stereo, wired headphone/speaker, Amplifier/Home Theater.etc. Then you can enjoy wireless Hi-fi music streaming!
Note: It's a DISOUR Bluetooth receiver only, not a transmitter. So you couldn't use it for your TV, keyboard, mouse.
8.Auto-Connect:This Bluetooth receiver will automatically connect to the last paired Bluetooth device when you turn it on the next time.
9.Upgrade-KEY Button: Next song/Volume Up, Previous Song/Volume Down, Multifunction Button(MFB)
10: Upgraded to support SD Card play.
11.Note: No built in battery,So POWERED BY USB CHARGING.
12.For Wired Speaker/Home Speaker/Power amplifier/Headphone/Car kit

Product Parameter：

Brand:DISOUR
Product Name:3D Bluetooth Audio Receiver
Output Parameter:DC 5V
Bluetooth Version: V5.0+EDR
Bluetooth protocol: A2DP/AVRCP
Bluetooth distance: 15 meters
Interface: RCA/AUX
Frequency range: 10Hz-20kHz
Signal to noise ratio: >110dB
Impedance: 75Ω
Product Size:70mm*70mm*34.5mm

Package List:

1x Bluetooth 5.0 Audio Receiver Adapter
1x 3.5mm Aux Cable
1x Type C Charge Cable
1x User Manual

Note:

TF/SD Card not included
Powered By USB Charging (No built-in battery )