If you are a teacher, guide, salesperson, presenter who need a loudspeaker with loud sound and clear tone quality, this multifunctional loudspeaker is your top choice. It compatible with almost devices as a louder speaker, with FM radio, TF socket, and also equipped with a headset microphone. We apply advanced technology, high capacity lithium battery, so it is an ideal choice for outdoor activities. Specification: FM Frequency: 76-108 MHz Memory: TF card, Max 16GB Supported Formats: MP3 : 桅70mm, 3惟, 5W Response Frequency: 100Hz-13KHz Power Supply: 600mA BL-5C lithium battery (included) Charging Voltage: DC 5V 500mA, Mini USB interface Charging time: 2-3 H Working time: 10-12H(MIC mode),5H(Music mode) Size: 113 x 90 x 45mm / 4.4 x 3.5 x 1.7 in Weight: 280g / 10oz Color: Black
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