Huawei FreeBuds 7i Active Noise Cancellation

Design	Earbud: 31.9 × 21.0 × 24.6 mm, ~5.4 g each; Charging case: 57.8 × 57.8 × 27.8 mm, ~36.5 g
Water / Dust Resistance	IP54 (earbuds only)
Battery Capacity	Earbuds: ~55 mAh each; Charging case: 510 mAh
Battery Life	ANC Off: ~8 hours (earbuds) / Up to ~35 hours with case; ANC On: ~5 hours / Up to ~20 hours with case
Charging	USB-C wired charging; Fast charge: 10 minutes = ~4 hours playback
Active Noise Cancellation (ANC)	Intelligent Dynamic ANC 4.0; Up to ~28 dB noise reduction (average across frequencies)

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Brands: Huawei