i10 can be used with 30-pin Adapter, to add MULTI-STREAM capability to iPod nano 7th gen (see picture). MULTI-STREAMING stereo audio features, allows simultaneous enjoyment of iPod/iPhone/iPad music with up to 2 persons/receivers - not available in other comparable transmitters. i10 will respond to Receiver Remote AVRCP commands (Play, Pause, Next, Previous). Smallest size compared to other products made by other brands in this category. This product is Made for iPod, iPhone, iPad. Includes Authentication IC chip, which allows local iPod, iPhone, iPad volume adjustment. Low power consumption, for many hours of wireless audio enjoyment with iPods, iPhones, iPads. No batteries needed, powered by iPod/iPhone/iPad. Attach to iPod/iPhone/iPad via 30-pin connector. Simple to operate. Bluetooth + EDR, Class 2. Works with iPad3/iPad2/iPad, iPhone 4S/4/3GS/3G/1st gen, iPod touch (1st-4th gen), iPod nano (1st,2nd,3rd, 4th, 5th, 6th gen), iPod classic (80, 120, 160GB). Advantages of i10 vs other iPod Transmitter: (1) i10 can stream music to 2 receivers. Other iPod Transmitter can stream to only 1 receiver. (2) i10 includes an Authentication chip that will authenticate with iDevice. Authentication process enables local volume adjustments on the iPod/iPhone/iPad to change the volume at the remote receiver. Most other iPod Transmitter does not have an Authentication chip and because of this there is no local volume adjustment possible to change the volume at the remote receiver. (3) i10 is the smallest iPod Transmitter, making a better fit for your iDevice. (4) No buttons needed to pair, connect to 1st receiver, just plug i10 into iDevice and it will automatically pair, connect to 1st receiver. For usage guidance , refer to : http://www.kokkia.com/faq/i10guide.html http://www.kokkia.com/faq/i10spairingwithairpods.html http://www.kokkia.com/faq/i10xpower.html