About this item 70-Hour Marathon Battery with Quick-Charge Convenience: Engineered for endurance, these wireless headphones deliver up to 70 hours of playtimeenough for cross-country flights or weeks of daily use. A 10-minute quick charge provides 3 extra hours, and the included AUX cable ensures your audio never stops. Studio-Grade Sound with 3 Pro-Tuned EQ Modes: Experience Hi-Fi audio shaped by acoustic engineers. Switch between Balanced, Bass Boost, and High-Definition modes to match your music, podcasts, or movies. Powered by dual 40mm drivers, these over ear headphones deliver the crisp highs, rich mids, and deep bass expected from premium audio devices. Advanced Bluetooth 5.3 & Crystal-Clear Call Clarity: Enjoy flagship-grade connectivity with Bluetooth 5.3 for stable, low-latency transmission up to 66 feet. The built-in ENC (Environmental Noise Cancellation) microphone isolates your voice, ensuring exceptionally clear calls on these wireless headphones over ear, even in bustlin