Compare Huawei FreeBuds 4 vs OnePlus Buds vs Ultimate Ears FITS
Connectivity
Ports
USB-C
USB-C
USB-C
Wireless Connectivity
Bluetooth 5.2
Bluetooth 5.0
Bluetooth 5.0
Wireless Range
10 m
Construction
Battery | Capacity
30 mAh Earbud + 410 mAh Charging Case
35mAh (earbud) x2 + 420mAh (charging box)
Carrying Case
Charging case
Colors
Silver Frost, Ceramic White
White / Gray
Grey, Lilac, Midnight Blue
Drivers
14.3 mm dynamic
1.34cm dynamic
10 mm
Form Factor
True Wireless Headphones
True Wireless Earphones, Dynamic Headphones
Headphone Type
In-ear
Dynamic headphones
Microphone
Yes
Yes
Dimensions
Size | Depth
18.5 mm
18.81 mm
Size | Height
41.4 mm
37.89 mm
Size | Width
16.8 mm
16.13 mm
Weight
4.1 g
4.7 g
Function
Bluetooth Codecs
SBC, AAC, APT-X
Fast Charging
15 min for 2.5 hours
10 mins for 10 hours (charging box+earbuds) / 10 mins for 2 hours play time for the earbuds
10 min of charge for 60 min of listening
Noise Cancellation
Active
Sensor
Wear detection sensor
Weather Resistance
IPX4
IPX4
Sweat Resistant / IPX3
Performance
Battery Life
4h ANC off / 2.5h ANC on earbuds / 22h ANC off / 14h ANC off w/ charging case
Up to 7 hours (music playback) / 4 hours (phone call) / Up to 30 hours music playback (w/ charging box)
8 hours / 20 h with charging case
Charging Time
1h
80 mins
Frequency Response
20Hz - 20kHz
20 Hz - 20 kHz
Max Sound Level
110 db at 500 Hz
Microphone Sensitivity
-38 dB ± 2dB
Sensitivity
97 dB ± 3dB
Production
Debut
2021
2020-07
2020-10-01
Made In
USA
Model Name
E501A
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