What's in the box:

BT-10 2 in 1 Wireless Audio Adapter Bluetooth 5.0 Transmitter Receiver Music Adapter 3.5mm AUX for TV Car Stereo Headphone Speaker (Standard)

Overview:
BT-10 is a 2 in 1 BT Transmitter & Receiver which can upgrade non-BT devices into BT-enabled ones. With this product, you can greatly enjoy music from your phone, laptop, tablet without the hassle of cables. This wireless audio adapter will give you much fun and convenience.

Features:
Receiver Mode:
Change the traditional car stereo system or home audio system into BT-enabled ones. After paired, play music wirelessly from your BT-enabled smartphones, tablet PCs, etc.
Transmitter Mode:
Connected to the non-BT audio devices (such as MP3, MP4, TV, and PC, etc.), changing them into BT-enabled ones, and making it work with BT headset and speaker.
Strong Compatibility:
With the included 3.5mm cable and 3.5mm to 2RCA cable, this audio adapter can be used on your computer, laptop, home stereo system, headphone, smartphone, MP3 player, CD player, etc.
Low Power Consumption:
Built-in 200mAh rechargeable battery ensures 5-6 hours of working time, you can enjoy wireless music all day long. Easy connection, no driver needed, plug and play.
Convenient to Use:
Switch between transmitter and receiver modes with the simple flick of a switch. Weighs only 17g (0.60oz), easy to carry in your backpack or laptop bag, and takes it on-the-go.

Specifications:
Model number: BT-10
BT Version: 5.0
Protocol Supported: A2DP, AVRCP (receiver mode only)
Transmission Distance: 10m/33ft (open space)
Battery: Built-in 200mAh Rechargeable Li-polymer battery
Charging Time: about 2 hours
Charging: Micro USB 5V
Color: Black
Main Item Size: approx. 4.1*4.1*1.0cm/1.61*1.61*0.39in
Main Item Weight: 17g/0.60oz
Package Size: 10.2*9.4*2.2cm/4.01*3.70*0.86in
Package Weight: 73g/2.57oz

Package List:
1 * BT Audio Transmitter & Receiver
1 * 3.5mm Audio Cable
1 * RCA Cable
1 * USB Charging Cable
1 * User Manual (English)