Compare Huawei FreeBuds 4i vs Lenovo Smart Wireless Earbuds vs Bowers & Wilkins PI5
Connectivity
Ports
USB-C
USB-C
USB-C
Wireless Connectivity
Bluetooth 5.2
Bluetooth 5.2
Bluetooth
Construction
Battery | Capacity
55 mAh Earbud + 215 mAh Charging Case
400 mAh
Cable
20cm USB-C cable
Carrying Case
Yes
Colors
Red, Ceramic White, Carbon Black
Black, White
White, Charcoal
Drivers
10 mm dynamic
11mm dynamic drivers
9.2mm Dynamic Drive with Balanced Armature
Form Factor
In-ear, True wireless headphones
In-Ear, True Wireless Headphones, Earbuds
Headphone Type
In-ear
Dynamic headphones
Dynamic headphones
Microphone
Yes
6x Microphones
2x mics for ANC + 2x mics for telephony
Dimensions
Size | Depth
23.9 mm
47.7 mm / 1.88"
Size | Height
37.5 mm
56 mm / 2.2"
Size | Width
21 mm
28.4 mm / 1.12"
Weight
5.5 g
4.2 g / 0.009 lbs
8 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
10 minutes for 4 hours of playback
2hrs with 15min charge
Noise Cancellation
Active
Active Noise Cancellation w/ 6 microphones
Yes
Sensor
Wear detection sensor
Weather Resistance
IPX4
Performance
Battery Life
7.5h ANC off / 10h ANC off / 22h w/ charging case
Play time 5.4h (ANC on) / 7h (ANC off) + 3x extra charges w/ Charging Case (28h total)
4hrs Bluetooth with ANC
Frequency Response
10Hz ~ 20kHz
Total Harmonic Distortion
0.3% (1kHz/10mW)
Production
Debut
2021
2021-09-08 (Lenovo Tech World 2021)
2021-04
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