Listen Freely - Play music from your smartphone, iPod, or iPad with Bluetooth wireless technology. With our portable Bluetooth speaker, you can enjoy your favorite playlist from any Bluetooth enabled device or one with an external Bluetooth transmitter/dongle. Includes a 3.5mm cable/jack for standard devices like MP3 players. Answer calls, no strings attached! - Answer calls on your smartphone with the touch of a button. Talk hands-free with the built-in microphone. Hang up, and your music automatically resumes. Includes both redial and mute functions. Answer smartphone calls, redial, or mute. Built-in mic for hands-free communication. Easy-to-reach controls for volume, next/previous track, and pause. Automatically pairs with last Bluetooth device. Line-in jack for use with standard devices. Bluetooth profiles (V2.1): A2DP, AVCRP, HSP, HFP. Requires 6 AA batteries (sold separately) for portable use or AC power. Power: 4.5W X 2CH - 9W total power. 30 foot range. Includes: Speaker, AC adapter, 3.5mm male/male cable, English/Spanish manual.