Light Design for All-Day Comfort: Each wireless earphones weighs just 0.26oz, crafted with a 0.7mm titanium alloy frame and ultra-soft silicone cushions. The memory-flex frame adapts to your ear shape, and the soft silicone keeps them snug and comfy all day long Premium Sound with Clear Vocals: Equipped with advanced 15mm oval acoustic units, these air conduction headphones deliver high-quality sound across a wide frequency range. AreoDirect technology prevents sound leakage, and AreoBoost enhances vocals for a more immersive audio experience Fast 5.3 Bluetooth with Seamless Sync: With Bluetooth 5.3, enjoy a lightning-fast 48Mbit/s transfer rate and an impressive 300m range. The low 60ms latency keeps your music perfectly in sync, ensuring an immersive audio experience with our open ear headphones IPX6 Fearless for Workout Sweat: These air conduction headphones have a hydrophobic coating on the mic and speaker grilles, along with a double-layer nanocoatin