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Noise cancelling wireless headphone NB-2020
· High performance active noise cancelling headphones，up to 22dB noise reduction.
· Truly authentic sound due to excellent coordination of acoustic and structure.
· Bold styling and streamlined design.
· Soft over-ear cushions for extended comfort and physic noise isolation.
· Foldable design for travel convenience.
· Maxmum 10 hours music playing time.
- Parameters
· High performance active noise cancelling headphones，up to 22dB noise reduction.
· Truly authentic sound due to excellent coordination of acoustic and structure.
· Bold styling and streamlined design.
· Soft over-ear cushions for extended comfort and physic noise isolation.
· Foldable design for travel convenience.
· Maxmum 10 hours music playing time.
Bluetooth chipset: V5.3
Bluetooth profiles: HSP、HFP、A2DP and AVRCP
Noise reduction: 22dB between 50-500Hz
Battery: Lithium battery 250mAh
Driver unit: 40mm neodymium
Sensitivity: 102dB±3dB
Frequency: 20-20KHz
Impedance: 32Ω
Working time : 10 hours at medium volume
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