Compare Bowers & Wilkins PI4 vs Huawei FreeBuds 3 vs Huawei FreeLace Pro
Connectivity
Ports
USB-C
USB-C
Wireless Connectivity
Bluetooth, USB-C
Bluetooth 5.1
Construction
Battery | Capacity
30mAh (per earbud) / 410mAh (charging case)
150 mAh
Cable
20cm USB-A to USB-C cable
814 mm
Colors
Black, Gold, Silver
Graphite Black, Spruce Green, Dawn White
Drivers
14.2mm full range
14.2mm dynamic
14.2 mm dynamic
Form Factor
In-Ear, Neckband Wireless Headphones, Earbuds
Headphone Type
Dynamic headphones
Microphone
2x mics for ANC + 2x mics for telephony
Three mics, two for ANC
Dimensions
Size | Depth
17.8mm
Size | Height
41.5 mm
Size | Width
20.4 mm
Weight
40 g
4.5 g
34 g
Function
Bluetooth Codecs
AptX-Adaptive, aptX-HD, aptX-Classic, AAC, SBC
Bluetooth Profiles
A2DP v1.3.1, AVRCP v1.6.1, HFP v1.7.1, HSP v1.2, BLE GATT
Chipset
Kirin A1
Fast Charging
3hrs with 15min charge
Noise Cancellation
Yes
Yes
Performance
Battery Life
10hrs Bluetooth with ANC (12hrs w/o)
4h playback / 20h with charging case
24 h playback
Charging Time
60 min
Frequency Response
10Hz ~ 30kHz
Total Harmonic Distortion
0.3% (1kHz/10mW)
Production
Accessory
Ear Tips: S / M / L
Debut
2019-10
2020-02-07
2020-09-10
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