Huawei FreeBuds 4

Dimensions
Per earbuds:
Height: 41.4 mm
Width: 16.8 mm
Depth: 18.5 mm
Weight: About 4.1 g
Charging case:
Diameter: 58 mm
Height: 21.2 mm
Weight: About 38 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.
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)**
*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.
Controls
Swipe
Tap-twice
Press and hold controls
Connectivity
Bluetooth Compatibility:
BT 5.2
Pop-up pair:
supported*
Simultaneous Bluetooth connection with dual devices:
supported
*Requires smartphones running EMUI10 or above.
Sensor
Microphone
Wear detection sensor
Driver
14.3 mm
Audio Technology
Open-fit active noise cancellation
Call noise cancellation
In The Box
Earbuds
Charging case
Quick Start Guide, Safety Information, and Warranty Card
Warranty certificate
USB-C cable