HUAWEI FreeBuds 4I headphones – Connectivity technology : Bluetooth BT 5.2 – Autonomy : up to 10 hours (with ANC disabled) – Battery capacity : per earphone: 55 mAh, Charging box: 215 mAh – Frequency response : 20 Hz – 20,000 Hz – Noise reduction – Built-in microphone – Headset dimensions : 37.5 x 23.9 x 21 mm – Dimensions Case : 48 x 27.5 x 61.8 mm – Color : Rouge – Guarantee: 1an
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