Product Features Easy to carry portable speakers BR-2300 Candy Enclosed design for the best sound quality Supports various digital devices Applied 1.5 inch HND (High Quality Neodymium Micro Driver) high-powered speakers Supports a various input sources (SD card AUX FM Radio) Uses a lithium-ion rechargeable battery Can be charged through a USB cable connect iPod iPhone PC MP3 Note_Book via separate AUX jack Product Specifications Total Power Output : RMS 1.2W ?2 (THD + N = 10%?f0=1kHz) Signal to noise ratio (Amplifier) : ?90dBA Amplifier distortion : ?0.1% Frequency response : 100Hz-20KHz Input Sensitivity : 450 mV ?50 mV Speaker Driver : 1.5 inch (40mm) Magnetically Shielded 6 ohm Subwoofer / bass unit : Bass reflection port Input type : 3.5mm auxiliary input SD card reader FM Radio Adjustment : Input selection play/pause track navigation (SD Cad) FM radio tunning volume power Dimension : 200(W) ?60(H) ?32.5(D) mm Weight : (Net) approx. 0.2 kg / (gross) approx. 0.28 kg Power input : USB 5V Lithium-ion battery Package included:Britz BR-2300 CANDY Speaker