What's in the box:

USB BT5.0 Audio Transmitter Receiver 2-in-1 BT Audio Adapter with AUX Port for Home/Car Stereo/PC Answer Phone Calls at One Button (Standard)

This USB BT Audio Adapter supports transmitter mode and receiver mode, enabling you to enjoy audio wirelessly. And it also supports quickly answering phone calls at one button in receiver mode.

Feature:
BT 5.0
It offers stabler connection and wide compatibility.

BT Transmitter Mode
It allows you to use BT audio receivers like BT headset, BT speaker, etc to receive audio signal from non-BT audio transmitters like TV, desktop, etc.

BT Receiver Mode
It receives BT signals of BT audio transmitter like phone, tablet, laptop, etc and sends them to non-BT audio receivers like wired headset, speaker, card stereo through cable.

Answer Phone Calls Quickly
Press the button to quickly answer phone calls when in receiver mode.

Plug N Play
No drivers required, easy to use.

Note: It should be powered through USB interface when used.

Specification:
BT version: V5.0
Operating distance: 15m
Function: Transmitter & Receiver 2-in-1 Design
Port: AUX port (Input&Output), USB port (Power supply DC5V)
Item size: 45* 20* 11mm/ 1.77* 0.79* 0.43in
Item weight: 20g/ 0.71oz

Packing list:
1 * BT Audio Adapter
1 * AUX cable
1 * User manual