Specifications and Features of HUAWEI FreeBuds 4 Open-fit active noise cancellation Call noise cancellation (Silver Frost)
Dimension | Per earbuds: Height: 41.4 mm Width: 16.8 mm Depth: 18.5 mm Charging case: Diameter: 58 mm Height: 21.2 mm |
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Weight | Weight: About 4.1 g Weight: About 38 g(Without Earbuds) |
Battery | Battery capacity Per earbud: 30 mAh (min.) Charging case: 410 mAh (min.) Playtime: Music playback on 1 charge: 4 hours (with ANC disabled) Music playback on 1 charge: 2.5 hours (with ANC enabled) Music playback with charging case: 22 hours (with ANC disabled) Music playback with charging case: 14 hours (with ANC enabled) Charging Time: About 1 hour for the earbuds (in the charging case) About 1 hour for the charging case (wire, without earbuds) |
Connectivity | Bluetooth 5.2, A2DP, LE Pop-up pair: supported Simultaneous Bluetooth connection with dual devices: supported |
Entertainment | Driver 14.3 mm Open-fit active noise cancellation Call noise cancellation |
Other Features | Sensor Microphone Wear detection sensor Controls Swipe Tap-twice Press and hold controls |