Compare OnePlus Buds vs Huawei FreeBuds 4i vs Huawei FreeBuds Pro
Connectivity
Ports
USB-C
USB-C
USB-C
Wireless Connectivity
Bluetooth 5.0
Bluetooth 5.2
Wireless Range
10 m
Construction
Battery | Capacity
35mAh (earbud) x2 + 420mAh (charging box)
55 mAh Earbud + 215 mAh Charging Case
55 mAh
Colors
White / Gray
Red, Ceramic White, Carbon Black
Silver Frost, Ceramic White, Carbon Black
Drivers
1.34cm dynamic
10 mm dynamic
11 mm dynamic
Form Factor
True Wireless Headphones
Headphone Type
Dynamic headphones
In-ear
Microphone
Yes
Dimensions
Size | Depth
18.81 mm
23.9 mm
21.7 mm
Size | Height
37.89 mm
37.5 mm
26 mm
Size | Width
16.13 mm
21 mm
29.6 mm
Weight
4.7 g
5.5 g
6.1 g
Function
Fast Charging
10 mins for 10 hours (charging box+earbuds) / 10 mins for 2 hours play time for the earbuds
10 minutes for 4 hours of playback
Noise Cancellation
Active
Sensor
Wear detection sensor
Weather Resistance
IPX4
Wireless Charging
2 W
Performance
Battery Life
Up to 7 hours (music playback) / 4 hours (phone call) / Up to 30 hours music playback (w/ charging box)
7.5h ANC off / 10h ANC off / 22h w/ charging case
4 h (ANC on) / 7 h (ANC off)
Charging Time
80 mins
40 min
Frequency Response
20Hz - 20kHz
Microphone Sensitivity
-38 dB ± 2dB
Sensitivity
97 dB ± 3dB
Production
Debut
2020-07
2021
2020-09-10
Model Name
E501A
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