Impedance levels vary (35 Ohms vs 30 ohm), which can affect compatibility and audio output when used with different devices. The frequency response differs (20 Hz-20,000 Hz vs 30 - 20,000 Hz), which can influence how well the headphones reproduce lows, mids, and highs. Battery life varies between the two (15 Hrs vs 20 Hours), which affects how long you can use them on a single charge. In general, both options are suitable for everyday use including music, calls, travel, and work-from-home scenarios. Skullcandy Hesh 2 Wireless and Sony NWZ-WH303 are well-known options in the wireless headphone segment, offering a balance of audio quality, battery performance, and smart features. Skullcandy Hesh 2 Wireless and Sony NWZ-WH303 offer different noise cancellation capabilities (Yes vs NA), which can impact how effectively they block external noise. The driver size differs between the two (50 mm vs 30 mm), which can influence sound depth, bass response, and overall audio clarity. Skullcandy Hesh 2 Wireless uses Bluetooth 4.0 while Sony NWZ-WH303 supports Bluetooth 4.2, which can impact connectivity stability and efficiency. There is a noticeable difference in weight (180 g vs 292 g), which may affect comfort during extended use.

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