Huawei Freebuds 4

Dimensions: Height: 41.4 mm, Width: 16.8 mm, Depth: 18.5 mm, Weight: About 4.1 g
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)**
Controls: Swipe
Tap-twice
Press and hold controls
Sensor: Microphone
Wear detection sensor
Audio Technology: Open-fit active noise cancellation, Call noise cancellation