boAt Rockerz 255 Pro uses Bluetooth 5.0 while boAt Rockerz 518 supports Bluetooth 4.1, which can impact connectivity stability and efficiency. The frequency response differs (20 Hz - 20000 Hz vs 20 Hz - 20KHz), which can influence how well the headphones reproduce lows, mids, and highs. If you're comparing boAt Rockerz 255 Pro and boAt Rockerz 518, both models offer a strong combination of sound performance, comfort, and modern wireless features. Impedance levels vary (16 ohm vs 32 ohm), which can affect compatibility and audio output when used with different devices. Battery life varies between the two (6 Hours vs 20 Hours), which affects how long you can use them on a single charge. There is a noticeable difference in weight (26 gm vs 230 GM), which may affect comfort during extended use. The driver size differs between the two (10 mm vs 50 mm), which can influence sound depth, bass response, and overall audio clarity. boAt Rockerz 255 Pro and boAt Rockerz 518 offer different noise cancellation capabilities (No vs NA), which can impact how effectively they block external noise. From a usability standpoint, both models provide a reliable and premium headphone experience.

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