boAt Rockerz 239 uses Bluetooth 5.0 while boAt Airdopes 138 supports Bluetooth 5.0+EDR, which can impact connectivity stability and efficiency. Impedance levels vary (16 ohm vs NA), which can affect compatibility and audio output when used with different devices. Both models provide a wide frequency range, delivering a balanced audio experience across different types of content. The driver size differs between the two (10 mm vs 13 mm), which can influence sound depth, bass response, and overall audio clarity. boAt Rockerz 239 and boAt Airdopes 138 offer different noise cancellation capabilities (No vs NA), which can impact how effectively they block external noise. Battery life varies between the two (6 Hours vs 3 / 12 Hours), which affects how long you can use them on a single charge. boAt Rockerz 239 and boAt Airdopes 138 are well-known options in the wireless headphone segment, offering a balance of audio quality, battery performance, and smart features. In general, both options are suitable for everyday use including music, calls, travel, and work-from-home scenarios. There is a noticeable difference in weight (24 gm vs 45 Gm), which may affect comfort during extended use.

Verdict: Choosing between boAt Rockerz 239 and boAt Airdopes 138 depends on whether you value better sound, longer battery life, or enhanced features.