Both models support modern Bluetooth connectivity, ensuring stable wireless performance with compatible devices. The frequency response differs (10 Hz - 20000 kHz vs 20 Hz - 20000 Hz), which can influence how well the headphones reproduce lows, mids, and highs. Battery life varies between the two (6 Hours vs 22 Hours), which affects how long you can use them on a single charge. The driver size differs between the two (5.6 mm vs 40 mm), which can influence sound depth, bass response, and overall audio clarity. Harman Kardon FLY TWS and Skullcandy Hesh 3 Wireless Over-Ear Headphones offer different noise cancellation capabilities (Active vs Passive), which can impact how effectively they block external noise. Impedance levels vary (17 ohm vs 32 Ohm), which can affect compatibility and audio output when used with different devices. There is a noticeable difference in weight (59.2 gm vs 200 gm), 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. If you're comparing Harman Kardon FLY TWS and Skullcandy Hesh 3 Wireless Over-Ear Headphones, both models offer a strong combination of sound performance, comfort, and modern wireless features.

Verdict: Both headphones offer strong performance, and the right choice depends on your priorities such as battery life, comfort, and noise cancellation.