Compare Huawei FreeBuds 4 vs Bowers Wilkins PI7 vs Huawei FreeBuds Pro
Connectivity
Ports
USB-C
USB-C
USB-C
Wireless Connectivity
Bluetooth 5.2
Bluetooth
Construction
Battery | Capacity
30 mAh Earbud + 410 mAh Charging Case
55 mAh
Cable
20cm USB-C cable
Carrying Case
Yes
Colors
Silver Frost, Ceramic White
White, Charcoal
Silver Frost, Ceramic White, Carbon Black
Drivers
14.3 mm dynamic
9.2mm Dynamic Drive + Balanced Armature
11 mm dynamic
Form Factor
In-Ear, True Wireless Headphones, Earbuds
Headphone Type
In-ear
Dynamic headphones
Microphone
Yes
4x mics for ANC + 2x mics for telephony
Dimensions
Size | Depth
18.5 mm
21.7 mm
Size | Height
41.4 mm
26 mm
Size | Width
16.8 mm
29.6 mm
Weight
4.1 g
8 g
6.1 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
15 min for 2.5 hours
2hrs with 15min charge
Noise Cancellation
Active
Yes
Sensor
Wear detection sensor
Weather Resistance
IPX4
Wireless Charging
2 W
Performance
Battery Life
4h ANC off / 2.5h ANC on earbuds / 22h ANC off / 14h ANC off w/ charging case
4hrs Bluetooth with ANC
4 h (ANC on) / 7 h (ANC off)
Charging Time
1h
40 min
Frequency Response
10Hz ~ 20kHz
Total Harmonic Distortion
0.3% (1kHz/10mW)
Production
Debut
2021
2021-04
2020-09-10
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