Site Title

Compare OnePlus Buds [Charging box] vs Huawei FreeBuds 4 [Charging Case]

Price

MSRP
79 USD
150 EUR
Offers (incl. referral links)

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)
30 mAh Earbud + 410 mAh Charging Case
Colors
White / Gray
Silver Frost, Ceramic White
Drivers
1.34cm dynamic
14.3 mm dynamic
Form Factor
True Wireless Headphones
Headphone Type
Dynamic headphones
In-ear
Microphone
Yes

Dimensions

Size | Depth
18.81 mm
18.5 mm
Size | Diameter
58 mm
Size | Height
37.89 mm
41.4 mm
Size | Width
16.13 mm
16.8 mm
Weight
4.7 g
4.1 g

Function

Fast Charging
10 mins for 10 hours (charging box+earbuds) / 10 mins for 2 hours play time for the earbuds
15 min for 2.5 hours
Noise Cancellation
Active
Sensor
Wear detection sensor
Weather Resistance
IPX4
IPX4

Performance

Battery Life
Up to 7 hours (music playback) / 4 hours (phone call) / Up to 30 hours music playback (w/ charging box)
4h ANC off / 2.5h ANC on earbuds / 22h ANC off / 14h ANC off w/ charging case
Charging Time
80 mins
1h
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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