Compare Bowers & Wilkins PI5 vs Huawei FreeBuds 4 vs Microsoft Surface Earbuds
Connectivity
Ports
USB-C
USB-C
USB-C
Wireless Connectivity
Bluetooth
Bluetooth 5.2
Bluetooth 4.1/4.2
Construction
Battery | Capacity
30 mAh Earbud + 410 mAh Charging Case
Cable
20cm USB-C cable
Carrying Case
Yes
Colors
White, Charcoal
Silver Frost, Ceramic White
Glacier
Drivers
9.2mm Dynamic Drive with Balanced Armature
14.3 mm dynamic
13.6 mm
Form Factor
In-Ear, True Wireless Headphones, Earbuds
Headphone Type
Dynamic headphones
In-ear
Microphone
2x mics for ANC + 2x mics for telephony
Yes
Two microphones per earbud
Dimensions
Size | Depth
18.5 mm
19.9 mm
Size | Diameter
25 mm
Size | Height
41.4 mm
Size | Width
16.8 mm
Weight
8 g
4.1 g
7.2 g each
Function
Bluetooth Codecs
AptX, AAC, SBC
SBC, aptX
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
15 min for 2.5 hours
Noise Cancellation
Yes
Active
Operating System
Windows 10, Android 4.4, iOS 9
Sensor
Wear detection sensor
Weather Resistance
IPX4
IPX4
Performance
Battery Life
4hrs Bluetooth with ANC
4h ANC off / 2.5h ANC on earbuds / 22h ANC off / 14h ANC off w/ charging case
8 h + two charges = 24 h
Charging Time
1h
10-minute charge provides up to one hour of battery life
Frequency Response
10Hz ~ 20kHz
20 Hz – 20 kHz
Total Harmonic Distortion
0.3% (1kHz/10mW)
Production
Debut
2021-04
2021
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