Acoustic Research Terrace Outdoor Wireless Speaker - Bluetooth(R) and 3.5mm Input - Black - AWSBT8 Bluetooth(r) wireless technology: class 2, bluetooth(r) &nbsp;v2.1 and EDR with AZDP, bluetooth(r) connection up to 33 feet Aux Input: gives you the option to connect directly to your portable devices Weather resistant: great in both indoor and outdoor applications, at home or away, Dual power options: operates using 6 AA batteries (sold separately) or included AC adapter Compatible with iPad, iPhone, and iPod; works with Android