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OnePlus Nord Buds 4 True Wireless Stereo (TWS) Earphones vs Zebronics Air Duo True Wireless Stereo (TWS) Earphones

OnePlus Nord Buds 4 True Wireless Stereo (TWS) Earphones vs Zebronics Air Duo True Wireless Stereo (TWS) Earphones comparison

Show Only Differences Highlight Differences	OnePlus Nord Buds 4 True Wireless Stereo (TWS) Earphones	Zebronics Air Duo True Wireless Stereo (TWS) Earphones
ratings
Overall NDTV Rating	Read Review	-
Design / Comfort Rating		-
Audio Quality Rating		-
Battery Life Rating		-
Value For Money Rating		-
key specs
Colour	Green	Black
Microphone	Yes	Yes
Connectivity	True Wireless Stereo (TWS)	True Wireless Stereo (TWS)
Type	Earphones	Earphones
Headphone Type	-	In-Ear
general
Brand	OnePlus	Zebronics
Model	Nord Buds 4 True Wireless Stereo (TWS) Earphones	Air Duo True Wireless Stereo (TWS) Earphones
Release date	June 25, 2026	December 13, 2017
Colour	Green	Black
Type	Earphones	Earphones
Connectivity	True Wireless Stereo (TWS)	True Wireless Stereo (TWS)
Headphone Type	-	In-Ear
Inline Remote	-	No
Model Number	-	Air Duo
product details
Microphone	Yes	Yes
Microphone Impedance (Ohms)	28	-
Boom Microphone	No	-
Foldable	No	-
Driver Type	Dynamic	-
Driver Size (mm)	12	-
Water Resistant	IP55	-
Gold Connector Plating	No	-
Weight (g)	4.30	-
Weight With Case (g)	42.5	-
sound features
Noise Reduction (dB)	52	-
Active Noice Cancellation	Yes	-
Frequency Response Range	20Hz-20,000Hz	-
connectivity features
Bluetooth	Yes	Yes
Bluetooth Version	6.1	4.1
Bluetooth Codec Support	SBC, AAC	-
Bluetooth range (Metres)	10	10
battery features
Charging Port	USB Type-C	-
Battery Life (Hrs) Earpieces Only	13	-
Battery Life (Hrs) With Case Total	54	-
Battery Capacity (mAh) Earpieces	62	-
Battery Capacity (mAh) Case	530	-
Charging Time (Hrs)	-	2

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