Impressive sound Advanced audio performance with a compact design Simplicity in use Audio in for easy connection to almost any electronic device Wireless music streaming via Bluetooth Built in microphone lets you easily switch from music listening to taking phone calls Desigened for grab and go Built in rechargeable battery for music playback anywhere Specification Sound Sound system : portable speaker AUDIO INPUT : 600mV Total power: 3W RMS Convenience Built-in microphone : for conference call Top panel controls ST-BY/SOURCE, PLAY-PAUSE/CALL/FM SEARCH,VOL-/PREVOIUS,VOL+/NEXT Back panel controls NA Power Power consumption : 0.8w Power supply : 5v 1a Standby power consumption : 0.1w Battery type : lithium polymer (built-in) LED Indicator Yellow LED Charging Blue LED : Bluetooth mode Green LED : AUX mode Blue and Green LED Alternate : FM mode Compatibility IPad :ipad 1 ipad 2 new ipad mini ipad with Retina disply iphone :iphone 3 iphone 3gs, iphone4, iphone 4, iphone 4s , iphonw 5 , iphone 5c , iphone 5s, iphone 6 , iphonw 6 plus, iphone 6s plus ipod touch: 3rd generation or later Android tablets &smartphones:with android 2.1 and Bluetooth 2.1 or above Work with:Bluetooth 4.1 or below Other Bluetooth-enabled device Connectivity Bluetooth profile : V2.1+EDR Bluetooth version : V4.1 or below Bluetooth range: Up to 10m (Freespace) Audio in (3.5mm) AUX-in , TF card (upto 32GB) USB Charging Connectivity Speaker Speaker freq range 70Hz-20KHZ sPEAKER IMPEDANCE : 4 OHM Passive radiator : Yes Audio Playback Compression format:MP3 MP3 BIT rates:32-320kbps Audio systems L/R channels Channel separation : NA SNR: >55DB Dimension Product dimension (WxDxH) : 110x32x56 mm Packaging dimensions (WxDxH): 90x38x114 mm Net weight : 250g Outer Carton Outer carton (LxWxH) : 376x358x207 mm Accessorirs USB cable for charging, 3.5mm stereo cable.