SPECIFICATION:PRODUCT NAME: HUAWEI FreeBuds 3iCOLOR: Ceramic White, Carbon BlackBATTERY:Battery capacity: 410 mAh (minimum value) • Earphone Capacity: 37 mAh (minimum value) • Type: lithium-ion polymer batteryDIMENSION: Earphone dimensions: 41.8 mm (H) x 23.7 mm (W) x 19.8 mm (D) • Charging case dimensions: 80.7 mm (H) x 35.4 mm (W) x 29.2 mm (D)WE..

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Speaker enclosed in aluminum alloyEarphones cable made of high elastic transparent TPE, enclosing a braided & enameled wiringController with integrated MicrophoneFree switching between call and music20Hz-20khz frequency response..