BOSE SOUNDDOCK 10 IN GOOD CONDITION AND SOUNDS FANTASTIC. THE AUX IN THE BACK WORKS JUST FINE AND YOU CAN PLUG OTHER DEVICES INTO IT. IT HAS THE 30 PIN IN FRONT TO CONNECT AN I-POD, OR CAN USE A LIGHTNING ADAPTER OR BLUETOOTH ADAPTER IF WANTED. PLEASE REFER TO ALL PICTURES AND ASK ALL QUESTIONS PRIOR.