DimensionsPer earbud

Height: 37.5 mm

Width: 23.9 mm

Depth: 21 mm

Weight: About 5.5 g

Charging case

Height: 48.0 mm

Width: 61.8 mm

Depth: 27.5 mm

Weight: About 36.5 g

*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.

• BatteryBattery capacity:

  Per earbud: 55 mAh (min.)*

  Charging case: 215 mAh (min.)*

  Playtime:

  Music playback duration: 10 hours (with noise cancelling disabled)**

  Music playback duration: 7.5 hours (with noise cancelling enabled)**

  Voice call duration: 6.5 hours (with noise cancelling disabled)***

  Voice call duration: 5.5 hours (with noise cancelling enabled)***

  Battery type:

  Lithium-ion polymer battery    

  *Huawei conducted tests with a prototype of the HUAWEI FreeBuds 4i earbuds and the accompanying software using the HUAWEI P40 phone.

  **Music playback test: The earbuds were connected to the phone over Bluetooth for music playback in the AAC format with the volume set to 50%. The battery was completely discharged until the music stopped playing from one of the earbuds.

  ***Voice call test: The earbuds were connected to the phone over Bluetooth with the volume set to 50%. A voice call was then conducted until the voice could not be heard from one of the earbuds.

  The battery life will vary depending on the device settings, usage, and other factors.

• Controls

  Press control: two times / long press

• Connectivity

  Bluetooth Compatibility: BT 5.2

  Pop-up pair: supported* 

  Wear detection: supported

  *Requires smartphones running EMUI10 or above.

• Sensor

  Both earbuds use built-in capacitive sensors

• Driver

  10 mm Dynamic 

• Audio Technology

  Active noise cancellation

  Call noise cancellation

• In The Box

  Earbuds

  Silicone ear tips (three sizes.)

  Charging case

  USB-C charging cable

  Quick start guide

  Safety information

  Warranty card