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which can better protect your mobile phone
Audio distortion: less than 5%
Measurement speed: about 2 times per second
The bracket is composed of a desktop fixed base + an aluminum tube with a diameter of 30MM + a tablet computer clip (aluminum alloy plate clip)
Product use: can be used for microphones
SmartSensor dB Decibel Detector Audio Tester, Model:ST9604 SMART SENSOR which can better protect your1. Mini digital sound level meter with stable and reliable performance. 2. Wide measurement range from 30dB to 130dBA. 3. Data hold function, maximum and minimum value measurement. 4. LCD display with backlight, convenient to use at night. 5. Low battery indication, automatic & manual power off function. 6. Compact and light, convenient to hold and carry. 7. Equipped with sponge ball for sensor protection. 6. Power supply: 3 x 1. 5V AAA battery (Not
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