The Bluetooth Receiver is specially designed for Car Stereo systems and Home Audio System. And， it can change the traditional Car Stereo systems and Home Audio System into Bluetooth-enabled ones， and easy to pair with Bluetooth-enabled Smart Phones， Laptop， Tablet PC， etc. With this product， you can greatly enjoy music from your phone， laptop & MP3 without the hassle of cables. It is perfectly suitable for the car owners. 

Features:
[Advanced Bluetooth Technology] 
Adopts Bluetooth 4.1 technology ensures transmitting strong and stable signal in top quality and high speed， getting better high quality audio sound than the Bluetooth 4.0 version.
[Magical Function]
The Bluetooth Receiver Change the traditional Speakers into Bluetooth-enabled ones. After paired， play music wirelessly from your Bluetooth-enabled Smart Phones， Laptop， Tablet， MP3 / MP4， etc. Support Automatic Re-connection. 
[Extra-Long Play Time]
Built-in 250mAh battery provides up to 16 hours’ music playing time， 120 hours' standby time， only takes 3 hours to fully charge it via Micro USB cable.
[Easy Connection]
Connect the Bluetooth Receiver with any Audio Input Devices， Stereo System (Car Stereo Systems， Home Audio System) & Speaker via standard 3.5 mm audio jack. 
[What You Can Get]
Comes with a Micro USB to USB charging cable， a 3.5mm audio connector and English User Manual. Connects via Bluetooth， a 3.5mm cable， or a 3.5mm audio connector.

Specifications:
Brand: Doosl
Model: DSER102
Bluetooth Version: Bluetooth 4.1 + EDR
Bluetooth Range: Up to 30ft.
Compatibility: Car Stereos， Home Stereos / Speakers， Headphones etc. by 3.5mm stereo inlet socket.
Battery: Built-in 250mAh Li-battery. 
Operation Time: Up to 16hours of music playing.
Charge Time: 2~3hours 
Charging Via Micro USB Port
Color: Black， White (Optional)
Main Item Size: 5.2 * 2.5 * 1.0cm / 2.0 * 1.0 * 0.4cm
Main Item Weight: 14g / 0.49oz
Package Size: 12.0 * 9.5 * 3.5cm / 4.72 * 3.74 * 1.37in
Package Weight: 80g / 2.8oz

Package List:
1 * Doosl DSER102 Bluetooth Receiver
1 * 3.5mm audio connector
1 * English User Manual