Bluetooth Headphones Wired & Wireless Headset Active Noise Cancelling

Style: Headphone
Certification: CE
Vocalism Principle: Dynamic
Control Button: Yes
Active Noise-Cancellation: Yes
Communication: Wireless
Volume Control: Yes
Sensitivity: 88dB
Wireless Type: bluetooth
Is wireless: Yes
Line Length: 1m
Support APP: No
Function: for Video Game
Function: Common Headphone
Function: For Mobile Phone
Function: HiFi Headphone
Number Of Drivers: 2
Plug Type: None
Package List: User Manual
Package List: Charger
Package List: Charging Cable
Package List: 3.5mm Jack Adapter
Impedance Range: up to 32 Ω
Connectors: None
Model Number:  bluetooth headphone
Earcups Type: Sealed
Headphone Pads Material: Memory Foam
Bluetooth Version: 5.0
Support Memory Card: No
Driver Diameter: 40mm
Resistance: 32Ω
Waterproof: No
Frequency Response Range: 2401 - 2480Hz
Total Harmonic Distortion: 0%
With Microphone: Yes
Features: With Microphone
Features: Detachable Cable
Features: Active Noice Cancelling
Charging Method: CABLE
Magnet Type: Neodymium
active noise cancelling: yes ,about -20dB
battery: 300mah
charge time: about 2h
work time: about 8-10h
bluetooth version: V5.0
Features: ANC Active Noise Cancelling Headphone
Features1: Noise Cancelling Headphone
Features2: Wireless Bluetooth Headset
Noise reduction: 15-20 DB
How to open Noise reduction: Press and hold the M key until the green light is displayed