The bluetooth receiver support NFC, which you can touch control to link with NFC phone and other device which support NFC.
With the 3.5mm and 2RCA connector, you can enjoy music from 2 speakers at the same time.
The bluetooth audio adapter is equipped with wireless connection system, which controls music playing of long distance.
The music receiving tool links with the car or the other power supply,which is greatly conveniently.
The bluetooth receiver is compatible with V5.0, V4.2, V4.1, V4.0, V3.0, V2.0, V1.0, which can be widely used.

Specification:
Material: ABS.
Color: Show as picture.
Bluetooth version: V5.0.
Transmitting distance: Less than or equal to 10m.
Audio connector: 3.5 and 2RCA.
Size: 60x60x20mm.

Package included:
1 * User manual.
1 * Charging mable.
1 * 2RCA audio mable.
1 * 3.5MM audio cable.
1 * NFC bluetooth receiver.

Type2:

Description:
Multifunctional: This wireless audio adapter is a transmitter and also is a receiver, and allows you to play music via a TF card.
Bluetooth-compatible 5.0: This wireless audio receiver and transmitter can connect with many kinds of devices and can provide a stable and fast connection.
Application: This bluetooth-compatible audio adapter is suitable for all kinds of speakers, computers, laptops, TVs, amplifiers, and so on.
NFC function: With NFC function, you can pair the wireless audio adapter with your device more conveniently and easily.
Dual interface: This bluetooth-compatible audio receiver transmitter features two interfaces: 3.5mm and RCA and supports input and output.

Specification:
Bluetooth-compatible version: 5.0.
Power: USB powered.
Transmission distance: 10m(no obstacles).
Interface: 3.5mm AUX/2RCA.
Input: DC 5V/2.1A(Max).
Support protocols: A2DP/AVRCP.
Color: Black.
Size(LxWxH): Approx. 64x64x20mm/2.52x2.52x0.79 inch.

Package included:
1 Piece bluetooth-compatible audio adapter(1 Piece 3.5mm audio cable, 1 piece 3.5mm to RCA cable, 1 piece micro USB cable, 1 piece user manual).