KN20 Bluetooth Noise Cancelling Headphones 350mA Battery 40mm Titanium Film Unit

This is a Bluetooth Noise Cancelling Headphones with excellent sound quality, using 40mm titanium film full frequency unit and hybrid digital noise reduction technology HyBrid. It uses Bluetooth 5.0 chip and is also equipped with a 3.5mm audio port. To ensure long-term use, it has a built-in 350mAh battery that can be used continuously for 12 hours when fully charged.

Product Features:
1. 40mm titanium film full frequency unit: clearly express every detail and extend to high frequency;
2. Hybrid digital noise reduction technology HyBrid: FF and FB bidirectional sampling to eliminate noise;
3. Bluetooth 5.0 chip: high-speed and stable, freely switchable wired/wireless mode;
4. Comfortable to wear: memory foam protein skin all-wrapped earmuffs and high elasticity telescopic head beam;
5. Battery life: 350mA capacity, 6 hours of continuous playback after 30 minutes of charging;
6. Noise reduction microphone: clear and stereo call;
7. Portable: foldable storage, convenient to carry.

Product parameters:
Product name: Bluetooth Noise Cancelling Headphones
Bluetooth chip: Bluetooth 5.0
Battery capacity: 350mAh
Standby time: 200h
Working hours: 12 hours
Rated output: DC 5V/1A
Frequency range: 20Hz~20KHz
Transmission distance: 10m