boAt Immortal 181 Wireless Headphones vs iBall Strings 20 Wired Headphones comparison

Show Only Differences Highlight Differences	boAt Immortal 181 Wireless Headphones	iBall Strings 20 Wired Headphones
key specs
Colour	Black	Black
Headphone Type	In-Ear	Over-Ear
Connectivity	Wireless	Wired
Type	Headphones	Headphones
Microphone	-	Yes
general
Brand	boAt	iBall
Model	Immortal 181 Wireless Headphones	Strings 20 Wired Headphones
Release date	August 4, 2023	April 23, 2014
Model Number	Immortal 181	-
Colour	Black	Black
Type	Headphones	Headphones
Headphone Type	In-Ear	Over-Ear
Connectivity	Wireless	Wired
product details
Water Resistant	IPX4	-
Weight (g)	50.00	300.00
Microphone	-	Yes
Driver Size (mm)	-	40
Connector Size	-	3.5mm
connectivity features
Bluetooth	Yes	-
Bluetooth Version	5.3	-
battery features
Charging Port	USB Type-C	-
sound features
Impedance (Ohms)	-	32
Sensitivity (dB)	-	110
Frequency Response Range	-	20Hz-20,000Hz

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