Compare Bowers & Wilkins PI4 vs Huawei FreeBuds 3i vs Huawei FreeLace Pro
Connectivity
Ports
USB-C
USB-C
Wireless Connectivity
Bluetooth, USB-C
Construction
Battery | Capacity
37 mAh (each earbud) / 410 mAh (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
10 mm 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
2x outward-facing + 1x inward-facing
Three mics, two for ANC
Dimensions
Size | Depth
23.7 mm
Size | Height
41.8 mm
Size | Width
19.8 mm
Weight
40 g
5.5 g (each earbud) / 51 g (charging case)
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
Fast Charging
3hrs with 15min charge
Noise Cancellation
Yes
Active noise cancellation / Call noise cancellation
Performance
Battery Life
10hrs Bluetooth with ANC (12hrs w/o)
3.5 h playback / 2.5 h talk (earbuds) + 14.5 h playback / 10.5 h talk (w/ 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
2020-05-30
2020-09-10
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