boAt Rockerz 255R vs boAt Immortal 121 – Specs, Price & Comparison (2026)

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Brand	boAt	boAt
Model No	Rockerz 255R	Immortal 121
Wired / Wireless	Wireless Headphone Specification	Wireless Headphone Specification
Headphone Type	Neckband	In Ear

Magnet Type	Dynamic	Dynamic
Driver Diameter	10 mm	10 mm
Impedance	16 ohm	NA
Sensitivity	-98db ±3db	NA
Frequency Response	20 Hz - 20000 Hz	20 Hz - 20000 Hz
Maximum Power Input	3.7 V / 110 mAh	5 V 2A
Noise Cancelling	No	NA

Wireless Technology	Bluetooth	Bluetooth
Bluetooth Version	4.1	5.3
Compatible Profiles	All Bluetooth Devices	All Bluetooth Devices
Supported Codecs	HSP, HEP, A2TP, AVRCP	AAC, SBC
Battery Type	Lithium	Lithium-Ion Batteries
Bluetooth Range	10 Meters	10 Meters
Battery Life	6 Hours	10 / 40 Hours
Charging Time	1.5 Hours	1.5 Hours

Available Colors	Black, Red, Green	Black, White
Connector Plating	NA	NA
Cable	Micro USB Charging Cable	USB Type C Charging Cable
Weight	NA	45 Gm
Other Features	IPX 5 Sweat and Water Resistance Powered By Qualcomm CSR8635 Chipset Boat Signature Audio Attractive ergonomics with a Comfort Fit	1 Year warranty. IWPâ„¢ Technology. ASAPâ„¢ Fast charge. Blazing RGB LED Lights. Nonstop music upto 40 hours. IPX4 Sweat & water resistance. Quad mics with ENxâ„¢ Technology.
	Compare boAt Rockerz 255R with: boAt Rockerz 255F boAt Rockerz 400 boAt Rockerz 380 boAt Rockerz 450 boAt 900 Wireless V2	Compare boAt Immortal 121 with: boAt Rockerz 255F boAt Rockerz 400 boAt Rockerz 380 boAt Rockerz 450 boAt 900 Wireless V2

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