The Battery Life rating is based on hours of typical, actual usage.
This score evaluates the product for use on airplanes and other similar kinds of travel. It takes into account noise reduction and portability, including case shape, case size, and weight. It also incorporates the battery life of the product, long-haul comfort, noise reduction (both active and passive), and sound quality. We generally consider wireless products to be more suitable for air travel.
The Marshall Major IV provides excellent overall sound quality but is considered fair for music because it has a fair soundstage and imaging score which affects the immersion and depth perception of audio, meaning it might not provide a very wide or accurate spatial audio experience.
This score evaluates the product when used for exercise and physical activity. It mainly takes into account comfort, whether or not the products are sweatproof and how secure are the earbuds or headphones while wearing them. We also consider products with wireless capabilities to be more suitable for this particular scenario
Podcasts & Audiobooks:3.2 This score evaluates the product when used solely to listen to podcasts or audiobooks. It takes into account sound quality and sound signature, to be able to keep voices clear and intelligible. It also considers battery life, when available, and comfort.