Overall, both headphones are feature-rich and cater to users looking for a combination of sound quality, comfort, and wireless convenience. There is a noticeable difference in weight (204 g (without battery) vs 153 Gm), which may affect comfort during extended use. Sennheiser RS 180 and Skullcandy Riff Wireless 2 offer different noise cancellation capabilities (No vs NA), which can impact how effectively they block external noise. The frequency response differs (18 - 21000 Hz vs 20 Hz - 20000 Hz), which can influence how well the headphones reproduce lows, mids, and highs. Both models support modern Bluetooth connectivity, ensuring stable wireless performance with compatible devices. The driver size differs between the two (NA vs 40 mm), which can influence sound depth, bass response, and overall audio clarity. Impedance levels vary (32 ohms vs 32 Ohm), which can affect compatibility and audio output when used with different devices. Battery life varies between the two (24 hrs vs 34 Hours), which affects how long you can use them on a single charge. Sennheiser RS 180 and Skullcandy Riff Wireless 2 are well-known options in the wireless headphone segment, offering a balance of audio quality, battery performance, and smart features.

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