Sony released its latest generation of best wireless headphones noise cancelling UK, (Sony WH-1000XM3), which continued the design of the h.ear series and added noise reduction functions.
Buy best wireless headphones noise cancelling Uk refer to a kind of headphones that use a certain method to reduce noise. At present, there are two types of noise reduction headphones: active noise reduction headphones and passive noise reduction headphones.
The active noise reduction function is to generate a reverse sound wave equal to the outside noise through the noise reduction system, neutralize the noise, and achieve the effect of noise reduction. Passive noise-canceling headphones mainly form a closed space by surrounding the ears or use soundproof materials such as silicone earplugs to block external noise.
The main parameters
Product Type Headphone
Functional purpose communication Bluetooth headset, music Bluetooth headset, noise reduction headset
Unit diameter 40mm
Frequency response range 5-40000Hz
The product impedance is 32 ohms when connected through the headphone cable when the unit is turned on
16 ohms when connected through the headphone cable when the unit is turned off
Sensitivity 103dB when connected through the earphone cable when the unit is turned on
98dB when connected via headphone cable when the unit is off
Rated power 3W
Bluetooth function support
Bluetooth version BLUETOOTH specification version 4.0
Support protocol A2DP (Advanced Audio Distribution Profile)
AVRCP (Audio Video Remote Control Profile)
HFP (Hands-free Profile)
HSP (Headset Profile)
Transmission range 2402-2480MHz
Transmission frequency 2.4GHz band (2.4000-2.4835GHz)
Battery type lithium battery
Charging time is about 6 hours
The machine can be used for about 4 hours after charging for about 1 hour
Note: Charging time may vary due to usage conditions
When connected via a BLUETOOTH device
Music playback time: up to about 20 hours (noise reduction on), up to about 22 hours (noise reduction off)
Communication time: up to about 18 hours (noise reduction on), up to about 20 hours (noise reduction off)
Standby time: up to about 40 hours (noise reduction on), up to about 200 hours (noise reduction off)
When connecting with the headphone cable when the unit is turned on: Up to about 38 hours [
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