Bluetooth 5.4 Connectivity Ultra-low latency keeps synchronized with audio and video, convenient to keep in contact with your teammates all the time Noise Cancelling Design Use ANCENC noise reductionnbsptechnology to isolate external noise, allowing you to enjoy more crystal-clear music and phone calls Touch Control High sensitivity, smart touch control, easy to answer phone calls, pause music with a few taps Digital Display With a digital display screen, easy to show the remaining power of the charging bin and earphones Comfortable to Wear Ear clip design, no need to jam the earphones into the ear to better protect hearing. Unlike in-ear headphones, it allows you to keep in touch and understand the surrounding environment to ensure safety Compact Size The compact body fits easily in your pocket, convenient to carry when traveling, cycling, etc Specification Noise reduction Active noise reduction ANC, Environmental noise reduction ENC Bluetooth standard V5.4 Waterproof standard IPX5 Battery capacity earphone capacity 35mAh2, charging bin 300mAh Material ABSPC Working time 4-6h Charging time 1.5h Wireless distance 10 meters