Redmi Buds 4 True Wireless Stereo (TWS) vs Sony WH-XB900N Wireless Headphone comparison

Show Only Differences Highlight Differences	Redmi Buds 4 True Wireless Stereo (TWS)	Sony WH-XB900N Wireless Headphones
key specs
Headphone Type	In-Ear	Over-Ear
Microphone	Yes	Yes
Connectivity	True Wireless Stereo (TWS)	Wireless
Colour	-	Black
Type	-	Headphones
general
Brand	Redmi	Sony
Model	Buds 4 True Wireless Stereo (TWS)	WH-XB900N Wireless Headphones
Release date	October 4, 2022	July 24, 2019
Model Number	M2137E1	WH-XB900N
Headphone Type	In-Ear	Over-Ear
Connectivity	True Wireless Stereo (TWS)	Wireless
Colour	-	Black
Type	-	Headphones
Inline Remote	-	Yes
product details
Microphone	Yes	Yes
Driver Type	Dynamic	Dynamic
Number of Drivers	2	-
Water Resistant	IP54	No
Weight (g)	4.50	254.00
Weight With Case (g)	55	-
Foldable	-	Yes
Cord Length (Metres)	-	1.2
Driver Size (mm)	-	40
sound features
Impedance (Ohms)	16	50
Noise Reduction (dB)	35	-
Sensitivity (dB)	-	101
Frequency Response Range	-	2Hz-20,000Hz
connectivity features
Bluetooth	Yes	Yes
Bluetooth Version	5.2	4.2
Bluetooth range (Metres)	10	-
Bluetooth Codec Support	-	SBC,AAC,aptX,aptX HD,LDAC
battery features
Charging Port	USB Type-C	-
Battery Life (Hrs) Earpieces Only	6	-
Battery Life (Hrs) With Case Total	30	-
Charging Time (Hrs)	-	7
Battery Life (Hrs)	-	30

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