Details :
Built-in Bluetooth(R) receiver for connecting to any Bluetooth(R)-enabled device Rich stereo sound through a full-range speaker and passive radiator that delivers extra bass USB and microSD(TM) Card inputs for playing external media 2-way speaker connection to wirelessly link multiple speakers at the same time to maximize listening experience FM radio 3.5 mm aux input for MP3 players, etc. Speakerphone for taking calls from paired Bluetooth(R) phone with touch of a button DC 5-volt jack to connect wired external audio devices Built-in Bluetooth(R) V4.2 + EDR Frequency response: 250 Hz to 10 kHz Speaker: 3 watts x 2 Built-in 3.7-volt, 1,200 mAh lithium rechargeable battery Up to 2 hours of playback time Up to 4 hours of charging time Includes micro USB charging cable and manual Blue
Warranty : NINETY DAYS