Boltune-Wireless Earbuds 030, Bluetooth V5.2 in-Ear Headset with 6 Mics, IPX7 Waterproof - Black. Hybrid Active Noise Cancellation: Combined with feedforward and feedback ANC, Hybrid ANC can suppress noise at a broader range of frequencies, adapt to and correct errors, reduce 35dB of low-frequency ambient noise to hear every word, note, and ...
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