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    K7 Loudspeaker Teaching Wireless Amplier Headset Outdoor Guide Waist Microphone

    K7 Loudspeaker Teaching Wireless Amplier Headset Outdoor Guide Waist Microphone

    £41.99 GBP
    £41.99 GBP
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    Products Description

    Product model: K7 K6
    Peak power: 5W
    Charging input: 5v-2a
    Bluetooth device name: K7
    Horn: 2.5-inch strong magnetic full frequency
    Battery: 3.7V 3500mA
    Output power: 5W * 1 RMS
    Frequency response: 150hz-20khz
    Signal to noise ratio: 75db

    Items No. & Name
    K7 Voice Amplifier
    Battery
    Built in Rechargeable Lithium-ion battery: 3.7V/1200-2000mAh (Voice Amplifier)
    Charging Voltage
    direct current 5V, 500mA
    Supports MP3 audio playing
    TF(Micro SD) card&USB flash drive
    Frequency response:
    150Hz-20KHz
    Working time
    6~10 hours (musical mode),8~12 hours (MIC mode)
    Output
    5W power output, sound coverage up to 400 quare meter


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