Compare Bowers & Wilkins PI5 vs Lenovo Smart Wireless Earbuds vs Huawei FreeBuds 4
Connectivity
Ports
USB-C
USB-C
USB-C
Wireless Connectivity
Bluetooth
Bluetooth 5.2
Bluetooth 5.2
Construction
Battery | Capacity
400 mAh
30 mAh Earbud + 410 mAh Charging Case
Cable
20cm USB-C cable
Carrying Case
Yes
Colors
White, Charcoal
Black, White
Silver Frost, Ceramic White
Drivers
9.2mm Dynamic Drive with Balanced Armature
11mm dynamic drivers
14.3 mm dynamic
Form Factor
In-Ear, True Wireless Headphones, Earbuds
In-ear, True wireless headphones
Headphone Type
Dynamic headphones
Dynamic headphones
In-ear
Microphone
2x mics for ANC + 2x mics for telephony
6x Microphones
Yes
Dimensions
Size | Depth
47.7 mm / 1.88"
18.5 mm
Size | Height
56 mm / 2.2"
41.4 mm
Size | Width
28.4 mm / 1.12"
16.8 mm
Weight
8 g
4.2 g / 0.009 lbs
4.1 g
Function
Bluetooth Codecs
AptX, AAC, SBC
Bluetooth Profiles
A2DP v1.3.1, AVRCP v1.6.1, HFP v1.7.1, HSP v1.2, BLE GATT
Compatibility
IOS, Android 8, Windows
Fast Charging
2hrs with 15min charge
15 min for 2.5 hours
Noise Cancellation
Yes
Active Noise Cancellation w/ 6 microphones
Active
Sensor
Wear detection sensor
Weather Resistance
IPX4
IPX4
Performance
Battery Life
4hrs Bluetooth with ANC
Play time 5.4h (ANC on) / 7h (ANC off) + 3x extra charges w/ Charging Case (28h total)
4h ANC off / 2.5h ANC on earbuds / 22h ANC off / 14h ANC off w/ charging case
Charging Time
1h
Frequency Response
10Hz ~ 20kHz
Total Harmonic Distortion
0.3% (1kHz/10mW)
Production
Debut
2021-04
2021-09-08 (Lenovo Tech World 2021)
2021
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