ReplacementRadios, one of the largest factory audio/video websites, has branched out!! If you?ve been to our site, you know we have a HUGE selection of OEM radios and compatible accessories. Now we?re offering a few select products here too. Same great ReplacementRadios quality.....in a new location. SUMMARY Brand new Allows for hands-free calling with phones that support HFP Allows wireless music streaming to radio with phones that support A2DP Allows control of music using AVRCP Compatible with all iPhone and Android Bluetooth capable phones You must have a compatible Grom interface to use this Works with IPD4, MST3 and USB3 Does NOT work with older USB or IPD units 1 year manufacturer limited warranty We're an authorized Grom Audio dealer (Ensures you get a valid warranty.) Grom part number BTD (aka GABTD) DETAILS The BTD Bluetooth Dongle Kit is manufactured by Grom Audio and works with their USB3, IPD4, and MST3 interfaces to add hands-free calling and A2DP wireless music streaming capabilities. It is our model number GABTD. The microphone cable is approximately 10 feet long, so you have a multitude of routing possibilities. You MUST use the BTD in conjunction with one of the interfaces mentioned above. It is NOT a stand-alone product. SHIPPING, HANDLING RETURNS Shipping cost is based on weight and zip code. This site does the figuring, not us. If you feel their calculation is high, you might be underestimating the package weight and/or current shipping costs from our zip code (62401) to yours. Please don't ding us for shipping in the ratings, as we have no control over ever-increasing carrier rates. We will enter a tracking number into your order details here on the site. They will email it to you if your notification preferences are set correctly. A signature is not typically required. If you are not home to receive the package, it will most likely be left at your door. Please monitor it's progress and arrange to collect it when it arrives. This site provides a section/tab in each ad for Shipping information. We encourage you to check that section for prices, methods, time-frames, etc.