E7 Active Noise Cancelling Headphones, Wireless Over Ear Bluetooth Headphones, 20H Playtime, Rich Deep Bass, Comfortable Memory Foam Ear Cups for Travel, Home Office - Black

Professional Active Noise Cancelling Technology

Proprietary 40mm Large-aperture Drivers.

High-quality Built-in Microphone and NFC Technology. 

The Professional Protein Earpad and 90° Swiveling Earcups. 

A built-in 600mAh battery won't allow your headphones power off, you can enjoy your world without noise for 30 hours' long time.