HUAWEI Free Buds 7i

Design and Weight
Dimensions of each earbud: Approximately 31.9 x 21.0 x 24.6 mm.
Weight of each earbud: Approximately 5.4 g.
Charging case dimensions: Approximately 57.8 x 57.8 x 27.8 mm, case weight: Approximately 36.5 g.
Resistance: The earbuds have an IP54 rating (dust and splash resistant, but not waterproof) for both earbuds only.

Sound and Driver
11 mm dynamic driver with a four-magnet system.
Wide frequency range: Approximately 20 Hz to 40 kHz.
Support for custom EQ settings (e.g., 10-band equalizer) for sound customization.

Noise Cancellation and Calls
Smart Dynamic ANC 4.0 active noise cancellation system.

Multiple microphones + bone conduction microphone for improved call quality and background noise isolation. Connectivity and Smart Features
Bluetooth version 5.4.

Supports high-quality audio codecs such as LDAC, and multi-device capabilities depending on the model.

Touch and Gesture Control: Double-tap, triple-tap, swipe to control the speaker, long press to change ANC mode.

Battery and Charging
Battery capacity in each earbud is approximately 55 mAh (or 55.5 mAh in some sources).

Charging Case capacity is approximately 510 mAh.

Approximate Playtime:
Without ANC: Approximately 8 hours of playback with the earbuds, up to approximately 35 hours with the case.

With ANC enabled: Approximately 5 hours of playback with the earbuds only, up to approximately 20 hours with the case.

Fast Charging: A short charge provides additional playback hours (e.g., 10 minutes of charging = approximately 4 hours of listening time, according to some sources). In summary, these headphones offer an advanced experience: large (11mm) drivers for powerful sound quality, effective noise cancellation, respectable battery life, and smart features like gesture controls and quick Bluetooth 5.4 controls. If you have any specific use cases (sports, travel, calls, gaming), I can help you assess their performance in that use or compare them to competing headphones. Would you like me to do that?