Compare Bowers & Wilkins PI5 vs Huawei FreeBuds 4i vs OnePlus Buds Z
Connectivity
Ports
USB-C
USB-C
USB-C
Wireless Connectivity
Bluetooth
Bluetooth 5.2
Bluetooth 5.0
Wireless Range
10 m
Construction
Battery | Capacity
55 mAh Earbud + 215 mAh Charging Case
40 mAh (earbud) x2 + 450 mAh (charging box)
Cable
20cm USB-C cable
Carrying Case
Yes
Colors
White, Charcoal
Red, Ceramic White, Carbon Black
White / Steven Harrington Edition
Drivers
9.2mm Dynamic Drive with Balanced Armature
10 mm dynamic
10 mm dynamic
Form Factor
In-Ear, True Wireless Headphones, Earbuds
True Wireless Headphones
Headphone Type
Dynamic headphones
In-ear
Dynamic headphones
Microphone
2x mics for ANC + 2x mics for telephony
Yes
Dimensions
Size | Depth
23.9 mm
35.9 mm
Size | Height
37.5 mm
29.05 mm
Size | Width
21 mm
Weight
8 g
5.5 g
4.35 g
Function
Bluetooth Codecs
AptX, AAC, SBC
Bluetooth Profiles
A2DP v1.3.1, AVRCP v1.6.1, HFP v1.7.1, HSP v1.2, BLE GATT
Fast Charging
2hrs with 15min charge
10 minutes for 4 hours of playback
10 mins for 3 hours
Noise Cancellation
Yes
Active
Sensor
Wear detection sensor
Weather Resistance
IP55
Performance
Battery Life
4hrs Bluetooth with ANC
7.5h ANC off / 10h ANC off / 22h w/ charging case
Up to 5 hours (music playback) / 3 hours (phone call) / Up to 20 hours music playback (w/ charging box)
Charging Time
80 mins
Frequency Response
10Hz ~ 20kHz
20Hz - 20kHz
Microphone Sensitivity
-38 dB ± 2dB
Sensitivity
97 dB ± 3dB
Total Harmonic Distortion
0.3% (1kHz/10mW)
Production
Debut
2021-04
2021
2020-10
Model Name
E502A
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