Specifications:

Bluetooth v3+EDR, Class 2 

Support A2DP V1.2 stereo

Frequency 2.4GHz

3.5mm stereo audio output

Operation time: up to 8 hours.

Powered by USB 5V DC

Transmission Rate:3(Mbps)

Built-in microphone

Transmission distances of up to 10M 

Support Bluetooth hands-free function

Wireless music receiver connects to 3.5mm headphone jacks 

Use with home stereos/speakers, car stereos, headphones etc

Features: 

1.Make your Car AUX audio sytem and Home Theater AV HiFi Surrounding system become bluetooth compatible, get music from bluetooth enable device.

2.Simply connect this bluetooth audio receiver to your line-in or auxiliary input on your speakers and enjoy the wireless music revolution

3.Whether you want Bluetooth convenience in your car, through your home-theater system, in your kitchen, bathroom, or bedroom, etc. 

4.Simple operation, 3.5mm male to male audio connector or cable to connect the speakers and receiver 

5. High-performance AMP chip, can push the headset, and high-power speaker, applicable to all types of speakers.

6. Powered by built-in rechargeable li-ion battery via mini USB port, long working time and low consumption.

7. You can play music through your car stereo and answer phone call via the built-in Mic. 

8. Sleep mode for energy saving.

Package Includes: 

1 x Bluetooth Music Receiver

1 x Micro USB Power Cable

1 x 3.5mm Audio Connector