Features:
Easy To Operate: Simply connect your speaker with our device, immediately transform your speakers into a fashionable wireless Bluetooth speaker.
Wireless Play: Removing troubles of wired connection, through the wireless connection and transmission ,enjoy a high fidelity music at any place indoor by wireless control.
Perfectly Compatible: Our products can be compatible with nearly 95% of mobile phone or computer on the market. Support for iPhone and most kinds of smart phones.
Portable design: with mini size ,the feature of portable can let you carry them to anywhere you want.

Specifications:
Bluetooth 2.1+EDR
Support A2DP V1.2
Powered by 5V DC
Transmission rate:3(Mbps)
Transmission distance: about 10 m
Power supply mode: USB-POWER
Unit size: 55*20*10mm
Color: Black/White

Operation Steps:
Step 1:
For No USB port Speakers: Supply power to the device by connecting charger with 5 V USB interface, then connect the Speaker's AUX port with the audio cable.
For Speakers with USB port: Connect the device with speaker's USB port directly ,then then connect the Speaker's AUX port with the audio cable.
Step 2:
Turn on the Bluetooth function of computer,mobile or other device which has Bluetooth function, searching for the BT-163 device to connect and input: 0000 for matching when the device is in the matching mode. After matching success ,the indicator light turn to twinkle slowly.Then you can use for iPhone and other bluetooth transmitter playing the music.

Package includes:
1 x USB Bluetooth Audio Music Receiver
1 x 3.5mm Audio Cable