The driver size differs between the two (30 mm vs 12.5 mm), which can influence sound depth, bass response, and overall audio clarity. Sony DR-BTN200B uses Bluetooth 3.0 while Nokia P3802A supports Bluetooth 5.1, which can impact connectivity stability and efficiency. Overall, both headphones are feature-rich and cater to users looking for a combination of sound quality, comfort, and wireless convenience. Sony DR-BTN200B and Nokia P3802A offer different noise cancellation capabilities (No vs Hybrid Active), which can impact how effectively they block external noise. 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. 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. There is a noticeable difference in weight (157 g (included rechargeable battery) vs 57 gm), which may affect comfort during extended use. 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. Impedance levels vary (NA vs 32 ohm), which can affect compatibility and audio output when used with different devices.

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