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Redmi Buds 4 Active True Wireless Stereo (TWS) Earphones vs boAt Airdopes 621 True Wireless Stereo (TWS) Earphones

Redmi Buds 4 Active True Wireless Stereo (TWS) Earphones vs boAt Airdopes 621 True Wireless Stereo (TWS) Earphones comparison

Show Only Differences Highlight Differences	Redmi Buds 4 Active True Wireless Stereo (TWS) Earphones	boAt Airdopes 621 True Wireless Stereo (TWS) Earphones
key specs
Colour	Black	Black
Headphone Type	In-Ear	In-Ear
Microphone	Yes	Yes
Connectivity	True Wireless Stereo (TWS)	True Wireless Stereo (TWS)
Type	Earphones	Earphones
general
Brand	Redmi	boAt
Model	Buds 4 Active True Wireless Stereo (TWS) Earphones	Airdopes 621 True Wireless Stereo (TWS) Earphones
Release date	June 13, 2023	March 26, 2021
Colour	Black	-
Type	Earphones	Earphones
Headphone Type	In-Ear	In-Ear
Connectivity	True Wireless Stereo (TWS)	True Wireless Stereo (TWS)
Color	-	Black
product details
Microphone	Yes	Yes
Microphone Impedance (Ohms)	32	-
Driver Type	Dynamic	Dynamic
Driver Size (mm)	12	6
Water Resistant	IPX4	IPX7
Weight (g)	34.70	-
Weight With Case (g)	42	-
Number of Drivers	-	1
sound features
Impedance (Ohms)	32	16
Frequency Response Range	-	20Hz-20,000Hz
connectivity features
Bluetooth	Yes	Yes
Bluetooth Version	5.3	5
Bluetooth Codec Support	SBC	-
Bluetooth range (Metres)	10	10
battery features
Charging Port	USB Type-C	USB Type-C
Battery Capacity (mAh) Earpieces	34	35
Battery Capacity (mAh) Case	440	2600
Charging Time (Hrs)	-	5
Battery Life (Hrs) Earpieces Only	-	5.5
Battery Life (Hrs) With Case Total	-	150