What's in the box:

Wireless Bluetooth 5.0 Audio Transmitter Type-C BT Audio Adapter Compatible with Nintendo Switch PS4 PC Support APTX LL SBC Low Latency (Standard)

Features:
The transmitter is compatible with the PS4 host / SWITCH host / PC host.
Supports one transmitter to connect two BT headphones at the same time.
Supports USB PD specification version 2.0, supports power role interchange.
BT voice output, the audio output of the host can be received through BT connection between BT audio device and transmitter.
Supports power role interchange, a total of two indicators (red, blue), each color LED light represents a device.

Specifications:
Input Interface: USB 3.1 TYPE C / USB A (Adapter)
BT Version: V5.0
Transmission Distance: 10 meters
Frequency Range: 2.40Ghz - 2.480Ghz
Support Protocols: aptX LL, aptX, SBC, A2DP, AVRCP, AFH, HFP, HSP
Input Voltage: 5V / 9V / 12V / 15V
Input Maximum Current: 3A
Packing Size: 17.3*10.4*2.5cm
Weight: 50g

Package List:
1 * Type C BT 5.0 Audio Transmitter
1 * 3.5mm Microphone
1 * Type C Adapter