FF+FB+ENC 2 Microphone , in-ear ANC-40dB+ENC calling.

IPX5 Dust prevention and sweat water Bluetooth version 5.4.

Separate digital screen/ HD calling/Wear comforable.

Active noise cancellation: The headphone will automatically calculates user's ear canal frequency.and it will dynamic adaptive adjustment of the bass compensation coefficient,reduce the leak.It can also obtain stable and consistent good sound quality, when use running.

AI calling noise cancellation,one side earphone with built-in microphone, With AI noise reduction algorithm.

Fast charing, charging 10 mintues can listen music about 2 hours,single earphone charging fully can lisen music about 6 hours, with the charging case together can listen about 30 hours.

High quality is guaranteed, Fully inspection with RF audio frequency, radio frequency, curve, Simulated transport for high temperature resistance,corrosion resisting,drop test,battery life test,chip performance test,Wireless distance test,reliability test.