SKU : 55034500
HUAWEI FreeBuds 4i COLOR SILVER FROST SPEAKER UNITS Each earbud has a 10 mm-diameter dynamic driver unit. BATTERY Earbuds capacity: 55 mAh (minimum value) | Charging case capacity: 215 mAh (minimum value) | Battery type: Lithium-ion polymer battery DIMENSION Earphone dimensions: 37.5 mm (H) x 23.9 mm (W) x 21 mm (D) | Charging case dimensions:48.0 mm (H) x 61.8 mm (W) x 27.5 mm (D) WEIGHT Single Earphone: approx. 5.5 g | Charging Case: approx. 36.5 g BLUETOOTH Bluetooth 5.2 MICROPHONE Each earbud has two MEMS microphones that support uplink environmental noise cancellation for calls and feedforward active noise cancellation.