Compare Huawei FreeBuds 4i vs Bowers Wilkins PI7
Connectivity
Ports
USB-C
USB-C
Wireless Connectivity
Bluetooth 5.2
Bluetooth
Construction
Battery | Capacity
55 mAh Earbud + 215 mAh Charging Case
Cable
20cm USB-C cable
Carrying Case
Yes
Colors
Red, Ceramic White, Carbon Black
White, Charcoal
Drivers
10 mm dynamic
9.2mm Dynamic Drive + Balanced Armature
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
23.9 mm
Size | Height
37.5 mm
Size | Width
21 mm
Weight
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 minutes for 4 hours of playback
2hrs with 15min charge
Noise Cancellation
Active
Yes
Sensor
Wear detection sensor
Performance
Battery Life
7.5h ANC off / 10h ANC off / 22h w/ charging case
4hrs Bluetooth with ANC
Frequency Response
10Hz ~ 20kHz
Total Harmonic Distortion
0.3% (1kHz/10mW)
Production
Debut
2021
2021-04
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