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Oppo Enco Buds True Wireless Stereo (TWS) Earphones vs Sennheiser HD221 Wired Headphones

Oppo Enco Buds True Wireless Stereo (TWS) Earphones vs Sennheiser HD221 Wired Headphones comparison

Show Only Differences Highlight Differences	Oppo Enco Buds True Wireless Stereo (TWS) Earphones	Sennheiser HD221 Wired Headphones
ratings
Overall NDTV Rating	Read Review	-
Design / Comfort Rating		-
Audio Quality Rating		-
Battery Life Rating		-
Value For Money Rating		-
key specs
Headphone Type	In-Ear	Over-Ear
Microphone	Yes	-
Connectivity	True Wireless Stereo (TWS)	Wired
Type	Earphones	Headphones
Colour	-	Black
general
Brand	Oppo	Sennheiser
Model	Enco Buds True Wireless Stereo (TWS) Earphones	HD221 Wired Headphones
Release date	April 20, 2021	April 11, 2016
Model Number	ETI81	HD221
Type	Earphones	Headphones
Headphone Type	In-Ear	Over-Ear
Connectivity	True Wireless Stereo (TWS)	Wired
Inline Remote	No	-
Colour	-	Black
product details
Microphone	Yes	-
Boom Microphone	No	-
Foldable	No	-
Driver Type	Dynamic	-
Driver Size (mm)	8	-
Number of Drivers	1	-
Water Resistant	IP54	-
Weight (g)	4.00	-
Weight With Case (g)	45	-
Cord Length (Metres)	-	1.2
Connector Size	-	3.5mm
sound features
Frequency Response Range	20Hz-20,000Hz	19Hz-21,000Hz
Impedance (Ohms)	-	16
Sensitivity (dB)	-	108
connectivity features
Bluetooth	Yes	No
Bluetooth Version	5.2	-
Bluetooth Codec Support	SBC,AAC	-
Bluetooth range (Metres)	10	-
battery features
Charging Port	USB Type-C	-
Charging Time (Hrs)	2.5	-
Charging Time (Hrs) Earpieces Only	2	-
Battery Life (Hrs) Earpieces Only	5	-
Battery Life (Hrs) With Case Total	20	-
Battery Capacity (mAh) Earpieces	40	-
Battery Capacity (mAh) Case	400	-

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