Compare Huawei FreeBuds 4 vs Lenovo Smart Wireless Earbuds
Connectivity
Ports
USB-C
USB-C
Wireless Connectivity
Bluetooth 5.2
Bluetooth 5.2
Construction
Battery | Capacity
30 mAh Earbud + 410 mAh Charging Case
400 mAh
Colors
Silver Frost, Ceramic White
Black, White
Drivers
14.3 mm dynamic
11mm dynamic drivers
Form Factor
In-ear, True wireless headphones
Headphone Type
In-ear
Dynamic headphones
Microphone
Yes
6x Microphones
Dimensions
Size | Depth
18.5 mm
47.7 mm / 1.88"
Size | Height
41.4 mm
56 mm / 2.2"
Size | Width
16.8 mm
28.4 mm / 1.12"
Weight
4.1 g
4.2 g / 0.009 lbs
Function
Compatibility
IOS, Android 8, Windows
Fast Charging
15 min for 2.5 hours
Noise Cancellation
Active
Active Noise Cancellation w/ 6 microphones
Sensor
Wear detection sensor
Weather Resistance
IPX4
IPX4
Performance
Battery Life
4h ANC off / 2.5h ANC on earbuds / 22h ANC off / 14h ANC off w/ charging case
Play time 5.4h (ANC on) / 7h (ANC off) + 3x extra charges w/ Charging Case (28h total)
Charging Time
1h
Production
Debut
2021
2021-09-08 (Lenovo Tech World 2021)
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