YET-M1 3.5mm USB Wireless Bluetooth Music Audio Stereo Receiver Adapter Dongle for iPhone MP3 MP4 Speaker
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， the user can enjoy a high fidelity music at any place indoor by wireless control
Perfectly Compatible: Our products can be compatible with most of mobile phone or computer on the market. Support iPhone， iPad， iTouch and all kinds of smart phones
Portable Design: With mini size， the feature of portable can let you carry them to anywhere you want

Specification:

Model	YET-M1
Bluetooth	V2.1 + EDR
Support	A2DP V1.2
Powered by	5V DC
Transmission rate	3(Mbps)
Transmission distance	10m
Power supply mode	USB-POWER
Size	Approx. 5.5cm x 2cm x 1cm / 2.17 x 0.79 x 0.39 inch
Cable Length	Approx. 50cm / 19.69 inch
Color	Black， White

Package Included:

1 x YET-M1 USB Bluetooth Music Receiver
1 x 3.5mm Audio Cable

Detail Pictures: