The frequency response differs (20 Hz - 20000 Hz vs 24 Hz - 24000 Hz), which can influence how well the headphones reproduce lows, mids, and highs. In general, both options are suitable for everyday use including music, calls, travel, and work-from-home scenarios. boAt Rockerz 255 ARC uses Bluetooth 5.2 while boAt Airdopes 121 v2 supports Bluetooth 5.0+EDR, which can impact connectivity stability and efficiency. There is a noticeable difference in weight (28 Gm vs 36 Gm), which may affect comfort during extended use. Battery life varies between the two (30 Hours vs 3.5 / 14 Hours), which affects how long you can use them on a single charge. boAt Rockerz 255 ARC and boAt Airdopes 121 v2 offer different noise cancellation capabilities (CVC vs NA), which can impact how effectively they block external noise. boAt Rockerz 255 ARC and boAt Airdopes 121 v2 are premium wireless headphones designed to deliver high-quality sound along with advanced features like noise cancellation and long battery life. The driver size differs between the two (10 mm X 2 vs 8 mm), which can influence sound depth, bass response, and overall audio clarity.

Verdict: Both models are competitive, and your decision should be based on your usage needs and preferred features.