product description:
Elepawl Active Noise Cancelling Bluetooth Headphones -- Bluetooth 4.1 Wireless Earphones, Built-in microphone, In-ear Earbuds, 20 hours playback About Active Noise Reduction Technology
Sound is produced by the vibration of the object, and the vibration in the elastic medium is the form of sound waves, in a certain frequency range (20 ~ 20000Hz) of the sound wave in the human ear to produce a sense of sound.Unwanted sound is noise.
There are two ways to reduce the noise in headphone products- active noise reduction and passive noise reduction.The active noise reduction function is through the noise reduction system to produce the same sound with the outside noise, the noise will be neutralized, so as to achieve the effect of noise reduction.
Multi Power Supply
Unique OTG charging technology,Remove the normal charging mode, such as through the USB adapter, desktop computers, laptops, mobile power and so on, and now you can use any of the Android system to recharge the headset.
Durable Battery
This Headphones is easy and fast pairing with all smart phones,tablets & other smart music device,enabled devices up to 10 meters away;more efficient energy connection so you can listen to music for up to 6hours.
What you get: EP9 Active Noise Cancelling Headphones
Miro USE OTG Charge Cable
User Guide
Protection Carring Case
Elepawl friendly customer service
(30 -day Monry-back Guarantee &18-month warranty)
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