[True Bone Conduction Technology] - Our bone conduction headphones deliver crystal-clear audio via vibrations. SonicBoost Tech 2.0 enhances human voices by 24%, making conversations and vocals more distinct. SonicDirect Tech 2.0 reduces sound leakage by 18%, keeping your audio private. Harmonic Amplification Tech boosts mid-treble frequencies by 50%, enriching the overall sound. Youll enjoy a balanced, detailed audio experience. [Aurora Mode Brings Night Safety] - Our OWS earbuds feature a 100mcd dynamic lighting design, with brightness comparable to a single element of a bike tail light, significantly enhancing visibility during night runs or bike rides and ensuring you're easily seen in low-light conditions. The open-style design keeps you aware of your surroundings for a safer and more enjoyable experience. Note: Playback time with Aurora mode is 3 hours. [0.24oz for All-Day Comfort] - Our open-ear headphones, weighing under 0.24 oz (single), are ultra-light for all-d