Impedance levels vary (NA vs 32 ohm), which can affect compatibility and audio output when used with different devices. There is a noticeable difference in weight (45 Gm vs 100 GM), which may affect comfort during extended use. boAt Airdopes 138 uses Bluetooth 5.0+EDR while Blaupunkt BE100 Xtreme supports Bluetooth 5.0, which can impact connectivity stability and efficiency. Battery life varies between the two (3 / 12 Hours vs 99 Hours), which affects how long you can use them on a single charge. The driver size differs between the two (13 mm vs 10 mm), which can influence sound depth, bass response, and overall audio clarity. The frequency response differs (20 Hz - 20000 Hz vs 20 Hz - 20KHz), which can influence how well the headphones reproduce lows, mids, and highs. From a usability standpoint, both models provide a reliable and premium headphone experience. boAt Airdopes 138 and Blaupunkt BE100 Xtreme are well-known options in the wireless headphone segment, offering a balance of audio quality, battery performance, and smart features. boAt Airdopes 138 and Blaupunkt BE100 Xtreme offer different noise cancellation capabilities (NA vs ENC), which can impact how effectively they block external noise.

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