Description: Mini& Portable designEasy to use by connecting directly dock to change the common sound-box to sound-box.Support A2DP V1.2 , compatible with all devices enabled with A2DP stereo .Support digital products using Bluethooth , such as for iPad , iPod touch , iPhone , Bluetooch cell phone , PC , PSP.Long distance to play your favorite songs in your device through a connection,Complies with 2.0 , Plug and Play Specification: Output : Support file : V2.0 A2DP V1.2Connector : Equipment with for iPhone iPad DockTransmission distance : Up to 33 feet (10meters) awayPower:DC 5VSize : Approx.42*35*8mmMaterial;PlasticColor : BlackMethods used :Step 1 : music receiver connects directly to iPod speaker dock.Step 2 :Enable the function for the devices such as iPad , iPhone , pc , cell phone , search devices , enter the code : 0000 and connect with it.Step 3 :After successful parting , we can play music by player without wires. Package Includes: 1xBluetooth Receiver Note: and dock player may not suitable with this item , sugguest to use the similar dock we show in the picture.Do not compatible with digital signal interface docking speaker