HUAWEI FreeBuds 4
Height: 41.4 mm
Width: 16.8 mm
Depth: 18.5 mm
Weight: About 4.1 gCharging case:
Diameter: 58.0 mm
Height: 21.2 mm
Weight: About 38.0 g（Without Earbuds）
*Product size, product weight, and related specifications are theoretical values only. Actual measurements between individual products may vary. All specifications are subject to the actual product.
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)**
*Typical value. Actual capacity may vary slightly. This capacity is the nominal battery capacity. The actual battery capacity for each individual phone may be slightly above or below the nominal battery capacity.
**Based on the test results of HUAWEI lab, for reference only.
Press and hold controls
BT 5.2Pop-up pair:
supported*Simultaneous Bluetooth connection with dual devices:
*Requires smartphones running EMUI10 or above.
Wear detection sensor
Open-fit active noise cancellation
Call noise cancellation
IPX4 - Earbuds
Quick Start Guide, Safety Information, and Warranty Card