2017 Mini Bluetooth Wireless Microphone Q9 Q7 Mic Speaker KTV Portable Speaker
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Transducer Principle:Electrodynamic Microphone
Sound Field Force:Pressure Type
Dual speaker With Power Bank and USB port, can charge mobile phone Output:3W*2(speaker output) Frequency Range:100HZ-10KHZ With echo stereo effect Battery: Built-in Polymer battery( rechargeable) Battery Capacity:2200mAH Battery Working Time: 3-4Hours Transmission distance: 10 meter With Blutooth 2.1 Achieve real low noise and high fidelity, voice clear, delicate Bluetooth speaker, KTV singing, Car stereo Support Android phones, apple iphone, universal for most mobilie phones