Sony DR-BTN200B and Nokia P3802A are well-known options in the wireless headphone segment, offering a balance of audio quality, battery performance, and smart features. 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 (157 g (included rechargeable battery) vs 57 gm), which may affect comfort during extended use. The driver size differs between the two (30 mm vs 12.5 mm), which can influence sound depth, bass response, and overall audio clarity. The frequency response differs (10 - 24,000Hz vs 20 Hz to 20000 kHz), which can influence how well the headphones reproduce lows, mids, and highs. Battery life varies between the two (Music Playtime: 40 hr, Talk Time: 30 hr, Standby Time: 800 hr vs 32 Hours), which affects how long you can use them on a single charge. Sony DR-BTN200B uses Bluetooth 3.0 while Nokia P3802A supports Bluetooth 5.1, which can impact connectivity stability and efficiency. Sony DR-BTN200B and Nokia P3802A offer different noise cancellation capabilities (No vs Hybrid Active), which can impact how effectively they block external noise. In general, both options are suitable for everyday use including music, calls, travel, and work-from-home scenarios.

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