Compare Lenovo Smart Wireless Earbuds vs Bowers & Wilkins PI5 vs Redmi Buds 3 Pro
Connectivity
Ports
USB-C
USB-C
USB-C
Wireless Connectivity
Bluetooth 5.2
Bluetooth
Bluetooth 5.2
Wireless Range
10 m
Construction
Battery | Capacity
400 mAh
35mAh / 0.13Wh
Cable
20cm USB-C cable
Carrying Case
Yes
Colors
Black, White
White, Charcoal
Glacier Gray, Graphite Black
Drivers
11mm dynamic drivers
9.2mm Dynamic Drive with Balanced Armature
9 mm composite vibrating diaphragm coil
Form Factor
In-ear, True wireless headphones
In-Ear, True Wireless Headphones, Earbuds
In-Ear, True Wireless Headphones
Headphone Type
Dynamic headphones
Dynamic headphones
Dynamic headphones
Microphone
6x Microphones
2x mics for ANC + 2x mics for telephony
3 microphones per earbud
Dimensions
Size | Depth
47.7 mm / 1.88"
25.4 mm
Size | Height
56 mm / 2.2"
21.3 mm
Size | Width
28.4 mm / 1.12"
20.3 mm
Weight
4.2 g / 0.009 lbs
8 g
4.9 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
10 minutes for 3 hours
Noise Cancellation
Active Noise Cancellation w/ 6 microphones
Yes
Active Noise Cancellation
Weather Resistance
IPX4
Wireless Charging
Yes
Performance
Battery Life
Play time 5.4h (ANC on) / 7h (ANC off) + 3x extra charges w/ Charging Case (28h total)
4hrs Bluetooth with ANC
6 hours music w/ ANC off, up to 28 hours w/ charging case
Charging Time
1 hour
Frequency Response
10Hz ~ 20kHz
Impedance
32 ohms
Total Harmonic Distortion
0.3% (1kHz/10mW)
Production
Debut
2021-09-08 (Lenovo Tech World 2021)
2021-04
2021-06-27
Model Name
TWSEJ01ZM
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