Instructions For Use:- 1. Insert The Usb Of The Receiver Into Any Available Usb Port Or To A Ac To Usb Adapter To Get Power. 2. Connect The Speaker'S 3.5Mm Audio Cable To The Car Bluetooth Dongle. 3. Open The Bluetooth-Enabled Mobile Phone (Or Computer), Search Bluetooth Devices To Find And Pair A Device Called H-162, Pairing Code Is 0000, After The Pairing Is Successful, The Led Light Will Slow Down. 4. Now You Can Select The Music Via Bluetooth From A Cell Phone Or Computer, A Great Music Will Play From Speaker. To Play Music Of Ipad, Iphone, Mobile Phones, Tablet Pc Or Any Bluetooth Device On Your Mini Speaker / Home Audio System Wirelessly. The Audio Signal Is Transmitted Through Bluetooth To This Device. This Device Is Connected To Mini Speaker / Home Audio. This Gives The Freedom Of Listening Your Music From Your Mobile Device Without Clutters Of Wires. Features: 1. Bluetooth Audio Receiver For Speakers Transform Ordinary Speakers And Headsets To Bluetooth Wireless Speakers And Headsets/Earphones. 2. Can Be Paired To Any Bluetooth Enabled Devices,Such As Mobile Phone,Iphone,Laptops And Bluetooth Audio Transmitter. 3. The Sound Of The Phone Call Can Be Played From The Ordinary Speaker When The Phone Call Come In. 4. The User Can Make The Phone Call Sound To Be Played On The Phone Only If Selerct The Non-Bluetooth Mode In The Mobile Phone. 6. The Other End Of The Mobile Phone Can Hear The Sound If The User Talk With The Bluetooth Device. Specifications: Bluetooth Standard: Bluetooth V2.0+Edr, Support A2Dp V1.2 Power Supply: 5V Usb Output: 3.5Mm Audio Interface Working Distance: 5 Meters Sound Output Rate: 44.1Khz And 48Khz