Both headphones offer solid battery performance, making them suitable for long listening sessions and travel. There is a noticeable difference in weight (60 Gm vs 11 Gm), which may affect comfort during extended use. F&D Spiro and Zebronics Zeb-Hark are well-known options in the wireless headphone segment, offering a balance of audio quality, battery performance, and smart features. Both models support modern Bluetooth connectivity, ensuring stable wireless performance with compatible devices. Both models provide a wide frequency range, delivering a balanced audio experience across different types of content. Both headphones are equipped with capable drivers that deliver balanced sound output suitable for music, calls, and entertainment. Overall, both headphones are feature-rich and cater to users looking for a combination of sound quality, comfort, and wireless convenience. F&D Spiro and Zebronics Zeb-Hark offer different noise cancellation capabilities (Active vs NA), which can impact how effectively they block external noise.

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