Sell Active Noise Canceling Headphone
Product Origin:China
Brand Name:A-space
Price Terms:FOB Shenzhen
Payment Terms:30% deposit by T/T, balance by T/T against B/L copy
Certification:
Description:Specification: 1. Driver unit: 30mm 2. IMP (ohm): 32+/-15% 3. Frequency range (Hz): 20-20kHz 4. SPL (dB): 92+/-3dB 5. Maximum noise reduction level: 20dB+/-2dB around center frequency 200Hz 6. Noise reduction active range: 100Hz-800Hz 7. Total harmonic distortion (THD): ≤1% 8. Operating voltage range: 2.5-3.5VDC 9. Signal cable: 3.5-3.5mm mini phone jack 10. Control feature: ANC on/off, ANC level control 11. Power source: 2 x A A A batteries 12. Battery life span: an average of 50-60 hours (power consumption≤19mA)
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