Screen: AMOLED color screen. Model : HUAWEI WATCH Buds. Earphone: Bluetooth call, wearing automatic answer, wide-area auricle touch, left and right earphone self-adaptation, ear plug fit detection. Band width: 22mm (width before gradient) -20 mm (width after gradient); Strap length: The long strap is about 125mm, the short strap is about 75mm, suitable for the wrist circumference of 140 to 210mm.
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