Custom-tuned acoustic structure deliver a comfortable and immersive music experience. Featuring a lightweight ergonomic design, the adjustable headband and soft, durable Memory Foam ear cushions ensure a secure, stable, and all-day comfortable fit. With an Ultra-long 40-hour battery life, it easily powers through a full week of music enjoyment. Recharging is effortless via the included Type-C cable. Advanced Bluetooth 5.4 connectivity enhances stability, expands coverage range, and minimizes dropouts for uninterrupted listening. The swivel-foldable ear cups, paired with a complimentary Carrying Headset Case and Charging Cable, offer ultimate portability and convenience. A built-in high-definition microphone ensures crystal-clear call quality for seamless communication. Bass Mode satisfies your craving for deep, powerful low frequencies. LORELEI Q60 Headphones includes a pair of headphones, a headphone bag, a charging cable and an instruction manual