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Product name | Wireless Lavalier Microphone | ||||||
Sound delay | ≤25ms (18-22ms) | ||||||
Microphone | -42 ± 2db omnidirectional | ||||||
Frequency response | 20Hz-20kHz | ||||||
Sampling rate | 44.1kHz (noise reduction is 32kHz) | ||||||
Signal to noise ratio | ≥70db | ||||||
Opearting current | ≤12MA | ||||||
Shutdown current | ≤20UA | ||||||
Single microphone endurance | 9 hours | ||||||
Dual microphone endurance | 33 hours(with charging case) | ||||||
Mic battery | 110 mAh | ||||||
Charging case battery | 600 mAh | ||||||
Battery case endurance | 2.7 times to two microphones at the same time | ||||||
Input voltage | DC4.5-5.2V | ||||||
Adapter | 5V/1A | ||||||
Operating temperature | -10 ℃ -50 ℃ | ||||||
transmitter: 4.6 × 1.6 × 1 receiver:4.2 × 1.5 × 0.72 charging warehouse: 7.7 × 6.2 × 2.7 |