Compare Ultimate Ears FITS vs Huawei FreeBuds 4i vs Lenovo Smart Wireless Earbuds
Connectivity
Ports
USB-C
USB-C
USB-C
Wireless Connectivity
Bluetooth 5.0
Bluetooth 5.2
Bluetooth 5.2
Construction
Battery | Capacity
55 mAh Earbud + 215 mAh Charging Case
400 mAh
Carrying Case
Charging case
Colors
Grey, Lilac, Midnight Blue
Red, Ceramic White, Carbon Black
Black, White
Drivers
10 mm
10 mm dynamic
11mm dynamic drivers
Form Factor
True Wireless Earphones, Dynamic Headphones
In-ear, True wireless headphones
Headphone Type
In-ear
Dynamic headphones
Microphone
Yes
Yes
6x Microphones
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
Function
Bluetooth Codecs
SBC, AAC, APT-X
Compatibility
IOS, Android 8, Windows
Fast Charging
10 min of charge for 60 min of listening
10 minutes for 4 hours of playback
Noise Cancellation
Active
Active Noise Cancellation w/ 6 microphones
Sensor
Wear detection sensor
Weather Resistance
Sweat Resistant / IPX3
IPX4
Performance
Battery Life
8 hours / 20 h with charging case
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)
Frequency Response
20 Hz - 20 kHz
Max Sound Level
110 db at 500 Hz
Production
Debut
2020-10-01
2021
2021-09-08 (Lenovo Tech World 2021)
Made In
USA
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