【Bluetooth Connectivity】: Connect effortlessly to your Android or iOS device via Bluetooth, allowing easy data transfer and management through the dB Tester APP 【 Precision Measurement】 : The Decibel Meter delivers professional-grade accuracy ±1.5dB, a wide range of 30 dB to 130 dB, and 0.1dB resolution. Its 31.5Hz to 8kHz frequency range ensures reliable data for home theaters, noisy neighbors, or workplace safety. A/C Weighting & Fast/Slow Response: The SL01 sound decibel meter switches between A-weighting which mimics human hearing for ambient noise and C-weighting which analyzes machinery/audio frequencies. This noise recorder chooses Fast (125ms) for sudden noise spikes or Slow (1000ms) for stable averages—perfect for monitoring Airbnb noise complaints or industrial inspections. 【dB/.
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