1 optical digital audio connection. 1 Ethernet port for SoundTouch and software updates via a network. 1 3.5 mm jack for ADAPTiQ system setup.1 3.5mm jack to hardwire the bass module. Having a garage clear-out, so please see my other items. The item "BOSE Soundtouch 300 Wireless WI-FI Bluetooth NFC Sound Bar With Remote" is in sale since Monday, December 30, 2019. This item is in the category "Sound & Vision\Home Audio & HiFi Separates\Speakers & Subwoofers". The seller is "julihan_58" and is located in Derby. This item can be shipped worldwide.