<p>Package: 1 EaBuilt-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: 150 Hz to 18 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 Black</p>

Supersonic Bluetooth Portable Speaker With Built-in Strap (black)