Zio CSR Bluetooth4.0 APTX Music Audio Receiver Adapter for Bose Sounddock and 30Pin iPod iPhone Dock Speaker (White) Complies with analog audio speaker dock only. Not complies with digital audio speaker dock,please read theCompatible list and Incompatible list on the Product Description page carefully before place the order to help you make right purchase decision. This 30 pin dock can change the common Analog sound-box to Bluetooth sound-box, thus playing your favorite songs in your device through a Bluetooth connection. Complies with Bluetooth 4.0, Plug and Play. Support APXT.Support digital products enabled with A2DP stereo Bluetooth, such as iPad, iPod touch, iPhone, Bluetooth cell phone, Bluetooth PC, PSP. Two-Link: connect two Bluetooth devices at the same time. Auto connect back functionautomatically connect to the last paired mobile device. Zio Bluetooth4.0 APTX Music Audio Receiver Adapter Turns iPhone/iPod docking station into a Bluetooth dock. Your iPhone 6S 5 or Android phone will not fit on your old docking station. Don't throw out the dock. Upgrade it with a Zio Bluetooth receiver. Plug it into your docking 30 Pin connector and stream your music via Bluetooth to the dock. Wireless, inexpensive and green solution to your dock dilemma. Unique noise eliminating technology obtain more pure sound effect than Bluetooth 3.0/2.0 technology solution. You even can not hear any noise at all. Unique acoustic effect enhancing technology make you feel permeability and delicacy treble, fluidity and crisp alto, super powerful bass. Important Note: For Bose SoundDock, Only compatible with newer generation sounddock series I (which will charge iPhone), series II and Portable. NOT compatible with older generation Sounddock series I which cannot charge iPhone iPod. So pls check your Sounddock before order! Just plug your iPhone or iPod on the dock, if your iPhone/ iPod could be charged, that means your dock have the charge function and this is the right adapter for your Phone. Could not work with Car / Motorcycle Stereos. NOTE:Apple dock is a digital dock , Zio can't work with it .For Bose SoundDock, Only compatible with newer generation sounddock series I (which will charge iPhone), series II and Portable. NOT compatible with older generation Sounddock series I which cannot charge iPhone iPod. So pls check your Sounddock before order! Just plug your iPhone or iPod on the dock, if your iPhone/ iPod could be charged, that means your dock have the charge function and this is the right adapter for your Phone.