There is a noticeable difference in weight (250 g vs NA), which may affect comfort during extended use. In general, both options are suitable for everyday use including music, calls, travel, and work-from-home scenarios. The frequency response differs (30 Hz to 20000 Hz vs 30 Hz - 15000 Hz), which can influence how well the headphones reproduce lows, mids, and highs. Both models feature noise cancellation, helping reduce background noise for a more immersive listening experience. Impedance levels vary (400 Ohms vs Self-powered Stereophone), which can affect compatibility and audio output when used with different devices. Both headphones are equipped with capable drivers that deliver balanced sound output suitable for music, calls, and entertainment. Beyerdynamic DT 102 and Koss HB79 are well-known options in the wireless headphone segment, offering a balance of audio quality, battery performance, and smart features. Both headphones offer solid battery performance, making them suitable for long listening sessions and travel. Both models support modern Bluetooth connectivity, ensuring stable wireless performance with compatible devices.

Verdict: Choosing between Beyerdynamic DT 102 and Koss HB79 depends on whether you value better sound, longer battery life, or enhanced features.