Compare OnePlus Buds vs Huawei FreeBuds 4i vs Bowers Wilkins PI7
Connectivity
Ports
USB-C
USB-C
USB-C
Wireless Connectivity
Bluetooth 5.0
Bluetooth 5.2
Bluetooth
Wireless Range
10 m
Construction
Battery | Capacity
35mAh (earbud) x2 + 420mAh (charging box)
55 mAh Earbud + 215 mAh Charging Case
Cable
20cm USB-C cable
Carrying Case
Yes
Colors
White / Gray
Red, Ceramic White, Carbon Black
White, Charcoal
Drivers
1.34cm dynamic
10 mm dynamic
9.2mm Dynamic Drive + Balanced Armature
Form Factor
True Wireless Headphones
In-Ear, True Wireless Headphones, Earbuds
Headphone Type
Dynamic headphones
In-ear
Dynamic headphones
Microphone
Yes
4x mics for ANC + 2x mics for telephony
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
8 g
Function
Bluetooth Codecs
AptX Adaptive, aptX HD, aptX Low Latency, aptX Classic, AAC, SBC
Bluetooth Profiles
A2DP v1.3.1, AVRCP v1.6.1, HFP v1.7.1, HSP v1.2, BLE GATT
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
2hrs with 15min charge
Noise Cancellation
Active
Yes
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
4hrs Bluetooth with ANC
Charging Time
80 mins
Frequency Response
20Hz - 20kHz
10Hz ~ 20kHz
Microphone Sensitivity
-38 dB ± 2dB
Sensitivity
97 dB ± 3dB
Total Harmonic Distortion
0.3% (1kHz/10mW)
Production
Debut
2020-07
2021
2021-04
Model Name
E501A
Remove
Remove
Remove
Add up to 4 products to the comparison using the search bar above
Information on this page is provided on an as-is basis. No warranty on accuracy is implied. This page may contain affiliate links to third-party merchants such as Amazon and eBay. If you make a purchase using the supplied link, we may receive a commission. Neofiliac places the utmost respect for your privacy. We use no cookie whatsoever beyond that needed for the proper functioning of the website.