BLUE TOOTH PORTABLE SPEAKER: HIGH FIDELITY SOUND IN COMPACT SIZE; STEREO SOUND SYSTEM DELIVERS 4 WTTS AUDIO OUTPUT; BLUE LED FOR MODE AND POWER INDICATOR; DELIVERS AMAZING BASS AND SOUND SLIM SPEAKER; CAN STREAM WIRELESS MUSIC VIA BLUETOOTH FROM IPAD, IPHONE, OR MAC OR SMART PHONE; POWERED BY BUILT-IN LITHIUM BATTERY; BLUETOOTH RANGE WITH IMPROVED SOUND QUALITY; AUTOMATICALLY CONNECTS FOR INSTANT WIRELESS STREAMING; BLUETOOH PROFILES ADVANCED AUDIO DISTRIBUTION(A2DP); HANDS FREE PROFILE (HFP); AUX-IN FOR ANY AUDIO SOURCE LIKE MP3,PC/MAC,IPOD; CAN USE AS A SPEAKERPHONE WHILE DRIVING OR CONFERENCE CALL; MUSIC CONTROL FOR VOLUME UP/DOWN, PREVIOUS/NEXT TRACK, PLAY/PAUSE, MUTE;