Compare Bowers Wilkins PI7 vs Ultimate Ears FITS vs Redmi Buds 3 Pro
Connectivity
Ports
USB-C
USB-C
USB-C
Wireless Connectivity
Bluetooth
Bluetooth 5.0
Bluetooth 5.2
Wireless Range
10 m
Construction
Battery | Capacity
35mAh / 0.13Wh
Cable
20cm USB-C cable
Carrying Case
Yes
Charging case
Colors
White, Charcoal
Grey, Lilac, Midnight Blue
Glacier Gray, Graphite Black
Drivers
9.2mm Dynamic Drive + Balanced Armature
10 mm
9 mm composite vibrating diaphragm coil
Form Factor
In-Ear, True Wireless Headphones, Earbuds
True Wireless Earphones, Dynamic Headphones
In-Ear, True Wireless Headphones
Headphone Type
Dynamic headphones
Dynamic headphones
Microphone
4x mics for ANC + 2x mics for telephony
Yes
3 microphones per earbud
Dimensions
Size | Depth
25.4 mm
Size | Height
21.3 mm
Size | Width
20.3 mm
Weight
8 g
4.9 g
Function
Bluetooth Codecs
AptX Adaptive, aptX HD, aptX Low Latency, aptX Classic, AAC, SBC
SBC, AAC, APT-X
Bluetooth Profiles
A2DP v1.3.1, AVRCP v1.6.1, HFP v1.7.1, HSP v1.2, BLE GATT
Fast Charging
2hrs with 15min charge
10 min of charge for 60 min of listening
10 minutes for 3 hours
Noise Cancellation
Yes
Active Noise Cancellation
Weather Resistance
Sweat Resistant / IPX3
Wireless Charging
Yes
Performance
Battery Life
4hrs Bluetooth with ANC
8 hours / 20 h with charging case
6 hours music w/ ANC off, up to 28 hours w/ charging case
Charging Time
1 hour
Frequency Response
10Hz ~ 20kHz
20 Hz - 20 kHz
Impedance
32 ohms
Max Sound Level
110 db at 500 Hz
Total Harmonic Distortion
0.3% (1kHz/10mW)
Production
Debut
2021-04
2020-10-01
2021-06-27
Made In
USA
Model Name
TWSEJ01ZM
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