Bluetooth 5.3 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 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 version V5.3 Audio coding SBC, AAC Battery capacity earphone 40mAh2, charging bin 400mAh Material ABSPC Connection range ge10m Working time 4-6h Charging time 1.5h Frequency response 20Hz-20KHz Input 1A Charging interface Type-C