What's in the box:

A1 Gaming Wireless BT Audio USB Transmitter Built- in Digital Microphone Replacement for Nintendo Switch/PS4/PS3/PC Black (Black)

Features:
Wireless PlayRemoving troubles of wired connection, through the BT wireless connection and transmission, the user can enjoy it at any place by wireless control.
Plug and PlayEasy to operate and free to send/receive all audio, just plug and play, enjoy unfettered fun game.
Built- in Digital MicrophoneHassle free in-game voice chat for games like Fortnite, Smite, Paladins, Friday the 13^thand more.
Small and PortableA1 Gaming Wireless BT Audio USB Transmitter is mini and lightweight, convenient to take along.
Wide CompatiblitySupport TWS headphones/BT speaker, support gaming voice chat, replacement for Nintendo Switch, Switch lite, PS4,PS3,PC.
10m Barrier-free TransmissionQuick pairing automatically re-pairs with the last paired device. 33Ft(10m) barrier-free transmission, built-in ceramic laminated antenna, do not miss every note.

Specification:
Item type: BT audio USB transmitter
Model: A1
Color: Yellow, Black(Optional)
BT Version: V3.0
Transmission distance: 10m
Frequency range: 2.402GHZ-2.480GHZ
Supporting Agreements: SBC, A2DP, AVRCP, AFH
Input interface: USB Type C
Input voltage: 5V
Input maximum current: 500mA
Compatible platform: Replacement for Nintendo Switch console/PS4 console/PS3 console/PC decice
Item size:5*2.2*1cm / 1.97*0.87*0.39in(L * W * H)
Item weight: Approx.11.3g /0.4oz
Package size:9.5*6.3*1.5cm / 3.74*2.48*0.59in(L * W * H)
Package weight:34.6g /1.22oz

Packing list:
1 *A1 BT Adapter
1 *Type-C to USB 3.0 Adapter OTG
1 *User Manual