FANRUINA V16 Wireless Over-Ear Headphones — Bluetooth 5.3, 90H Playtime, Foldable, Bass/Pop Modes, Built-in Mic & APP Support

Exceptional 90-hour playtime: Provides ultra-long battery life so you can use the headset for weeks without frequent charging (example: 2hrs/day = 45 days), perfect for long commutes, travel, or full work/study days. Reliable Bluetooth 5.3 connection: Uses Bluetooth 5.3 for fast pairing with phones, laptops, or tablets, delivering low latency (great for gaming/streaming) and stable reception even in crowded areas. Two tunable sound profiles: Choose Bass Mode for deep, punchy lows ideal for hip-hop and EDM, or Pop Mode for clearer vocals — great for pop music, podcasts, and calls. Portable foldable construction: The compact, foldable frame stores easily in bags, backpacks, or drawers, making it convenient for travel and daily commuting. APP integration & built-in microphone: Works with a dedicated APP for advanced controls (EQ adjustments, firmware updates, battery monitoring) and includes a high-quality microphone for clear hands-free calls, suitable for remote work, video conferences, or casual chats. Questions: Can I use these headphones with my smartwatch? Do these headphones support voice assistants? Are the ear cups adjustable?