233621 is intelligent noise-control system, called Sound Shield INC, measures the sounds that actually enter your ear to block distracting background noise up to 92%. Enjoy peace and quite or experience flawless audio at safer volumes,whether listening to music, podcast or watching a movie. Main features: 1/ Reduce 92% of low-frequency noise indoors and outdoors in 20Hz-1000Hz frequency range 2/ Reduced noise eliminates need for higher audio volume, helping to protect hearing 3/ Perfect audio quality from high-power 40 millimeter NdFeB driver and frequency response equilibrium technology 4/ Superior comfort from soft around-ear cushions, adjustable headband and lightweight frame 5/ Connects to music and video players, laptops, game consoles and in-flight audio systems 6/ User can listen to audio with noise-control system turned on or off 7/ Lower power usage extends battery life for up to 50 hours 8/ Detachable flat cord minimizes tangling 9/ Flat folding for easy storage and carrying 10/ Communication function: connecting cable with remote and mic for iPhone series, performs ultra precise and high definition of communications. Product specifications: Speaker: 40mm Magnet type: NdFeB Impedance: 100Ω(non-noise reduction mode) 300Ω(noise reduction mode) Frequency response: 8Hz-22000Hz Sensitivity: 105dB/mW at 1KHz THD: <1% at 94dB,1KHz Rating power: 20mW Maximum power: 30mW Active noise cancellation: up to 22dB Passive isolation: up to 35dB Contents(will come with retail box) 1pc × Active Noise Control headphones 1pc × 3.5mm detachable audio cable 1pc × 3.5mm detachable cable with remote and microphone 1pc × Airline adapter 1pc × 6.3mm stereo plug adapter 1pc × Carrying case Health and safety Health and safety certified by CE and FCC. Certified by the Ministry of Industry and Information Technology of the People’s Republic of China as controlling radiation, electromagnetic interference and pollution by electronic IT products. NOTE: According to the requirement of aviation, we will remove the AAA battery before shipment.
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