HUAWEI Kirin A1
Charged via the charging case
Supports up to 3 C charging current. It takes around 1 hour to fully charge the earphones.
Data comes from Huawei lab tests. Tested at an ambient temperature of 25°C, with the charging coil of the charging case placed at the center of the wireless charger.
Earphone battery capacity: 30 mAh (typical value)
Battery type: Lithium-ion polymer battery
Weight: 1.69 g
Music playback duration:
3 hours (with noise canceling enabled)
4 hours (with noise canceling disabled)
Voice call duration:
2 hours (with noise canceling enabled)
3 hours (with noise canceling disabled)
*Data comes from Huawei lab tests. A prototype of the HUAWEI FreeBuds 4 New and the accompanying software were tested with a HUAWEI P40 Pro running EMUI 11.0.
For details of phones running EMUI 11.0, refer to the corresponding FAQ.
Music playback test: The earphones were connected to a phone over Bluetooth. Music was then played in 256 kbps AAC format, with
Voice call test: The earphones were connected to a phone over Bluetooth with the volume set to 50%. A voice call was then made,
The battery life will vary depending on the device settings, usage, and other factors.
20 Hz to 20,000 Hz
AAC and SBC
1. The send/receive loudness, noise floor, frequency response, and distortion, as well as echo, comply with the calling standard TS26131-32.
2. Noise cancellation performance during calls
14.3 mm large LCP dynamic driver unit
Triple microphones, supporting uplink noise cancellation during calls; Two of them support ANC
Each earphone: approx. 4.1 g
41.4 mm x 16.8 mm x 18.55 mm
Operating temperature: 0°C to 35°C
Charging temperature: 0°C to 48 °C
Storage temperature: –20°C to 45°C
Obtained SRRC and BQB Bluetooth certificates.
Comply with the RoHS and halogen-free environmental protection requirements.
HUAWEI FreeBuds Lipstick