3.98 x 3.35 x 1.3 inches

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Active Noise Cancellation: Built-in ANC microphones achieves up to 30 dB noise cancellation by collecting external noise and generating reverse sound waves, and prevents 90% of noise from entering the ear canal. So you can immerse yourself in music.
Enhanced Call Performance: Each wireless earbud has built-in 2 microphones, 4 microphones can achieve accurate voice pick up and isolate external noise through algorithms, ensuring you can get clear calls anywhere. (Please wear 2 earbuds during the call to ensure a clear call)