About the Product: 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 You Want Support For Iphone And Most Kinds Of Smart Phones 8-10 Meter Working Distance Bluetooth Audio Music Receiver Adapter For Playing Music Via Mobile, Computer In Home-Theater, Car Music System, Speakers Bluetooth V2.0+EDR, support A2DP V1.2 Power supply: 5V Usb Output: 3.5mm Audio interface Distance: 5-10 meters Sound output rate: 44.1KHZ and 48KHZ Total weight: 15g Make any speaker wireless or car Bluetooth device for music Allows you to play songs to your speakers directly from your phone.