Battery life varies between the two (6 Hours vs 10 / 40 Hours), which affects how long you can use them on a single charge. In general, both options are suitable for everyday use including music, calls, travel, and work-from-home scenarios. Both headphones are equipped with capable drivers that deliver balanced sound output suitable for music, calls, and entertainment. Both models provide a wide frequency range, delivering a balanced audio experience across different types of content. boAt Rockerz 255 KKR Edition and boAt Immortal 131 offer different noise cancellation capabilities (CVC vs ENxâ„¢ NC), which can impact how effectively they block external noise. Impedance levels vary (16 ohm vs NA), which can affect compatibility and audio output when used with different devices. boAt Rockerz 255 KKR Edition uses Bluetooth 4.1 while boAt Immortal 131 supports Bluetooth 5.3, which can impact connectivity stability and efficiency. There is a noticeable difference in weight (60 Gm vs 70 Gm), which may affect comfort during extended use. boAt Rockerz 255 KKR Edition and boAt Immortal 131 are well-known options in the wireless headphone segment, offering a balance of audio quality, battery performance, and smart features.

Verdict: Both headphones offer strong performance, and the right choice depends on your priorities such as battery life, comfort, and noise cancellation.