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"""WS-1509BT Wireless Speaker Features :- 1) Play USB/TF Card in the MP3 audio file. 2) External Audio Input 3) External Power Charging InterFace 4) FM auto scan radio 5) Speaker with autodyne system 6) Buttons can make a phone call 7) Features: cool style 8) Main function: Bluetooth, TF, USB, FM, handsfree Technical Features :- 1) Input DC-5V 2) Built-in- Battery 3) Frequency Responce 150-18000hz 4) Power output RMS 3W=thd10% 5) FM 87MHz-108MHz"" 

Key Features of Samshi Bluetooth Speaker WS1509BT Mobile/Tablet Speaker:-
Mobile/Tablet Speaker
2.1
RMS 3W=thd10% 5
150-18000hz 4"