Compare OnePlus Buds vs Huawei FreeBuds 4i
Connectivity
Ports
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
Colors
White / Gray
Red, Ceramic White, Carbon Black
Drivers
1.34cm dynamic
10 mm dynamic
Form Factor
True Wireless Headphones
Headphone Type
Dynamic headphones
In-ear
Microphone
Yes
Dimensions
Size | Depth
18.81 mm
23.9 mm
Size | Height
37.89 mm
37.5 mm
Size | Width
16.13 mm
21 mm
Weight
4.7 g
5.5 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
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
Charging Time
80 mins
Frequency Response
20Hz - 20kHz
Microphone Sensitivity
-38 dB ± 2dB
Sensitivity
97 dB ± 3dB
Production
Debut
2020-07
2021
Model Name
E501A
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