Noise Cancelling
Active Noise Cancellation (ANC)
Bluetooth Standard
Bluetooth v5.3
Battery Capacity(mAh)
Earphone capacity: 40mAh, Charging box capacity: 400mAh
Wireless delay time
31-40 ms
Place of Origin
Guangdong, China
Upgrade battery display effect
yes
color
black,white, blue, green, red,gold
LED
LED smart digital display
Compatible
Mobile Phone/Tablet/Laptop/FM/USB/PC ect