Product Details 

• PDY FASHION USB Bluetooth Dongle Car Bluetooth 4.0 USB Music with mic audio Receiver Wireless Bluetooth Audio Music Adapter Car Wireless Hands-Free Dongle Kit for Speaker, USB Bluetooth -(White)
• Make any speaker wireless or car Bluetooth device for music
• Works only in car and speakers in which USB slot is available
• Converts speakers into Bluetooth speakers
• Direct plug and play no externernal power required Easy pairing.Receives hassle free audio up to 30ft range. Transmission rate:3 Mbps Power supply not required
• Allows you to play songs to your speakers directly from your phone
• Does not work with TV's laptops, etc