[Open-Ear Design] TOZO OpenReal headphones feature a completely innovative open-ear design for all-day listening without ear fatigue, the headphones can securely rest and firmly fit your ears without entering your ear canal, which will reduce stress after extended wear. [Air Conduction Technology & Ergonomic Design] Adopting the principle of air conduction, which can effectively prevent sound leakage, and transmit music ultra concentrated and clearly, allowing you to easily enjoy the superior music like a record. Extraordinary ergonomic design satisfies different auricle wear and delivers comfortable and stable experience (Not Bone Conduction). [Clear Calls with Dual-Mic ENC & Bluetooth 5.3] TOZO OpenReal headphones combine with dual microphones and noise reduction algorithm technology, which can restore the original sound, precisely capture your voice, cancel out ambient noise and deliver superior Clear Call. Therefore, you can achieve high-quality calls in any occasions. As well as equipped with true wireless Bluetooth 5.3 technology, so the connection is especially stable and brings the lower latency during data transmission. [16.2mm Dynamic Drivers] Through precise adjustment and professional testing, TOZO Acoustic Lab's customizes powerful 16.2mm dynamic drivers system for headphones, bringing you more beautiful and transparent sound effects. Deeply restore various rich details of the sound, creating an intimate concert-like audio experience. [Up to 16 Hours Playtime & Fast Charging] Built-in 120mAh large capacity battery, TOZO OpenReal headphones provide up to 16 hours of continuous playback and calls with one charge. Meanwhile, it supports fast charging, just 10 minutes of charging can get up to 2 hours of playtime. Help you reduce the trouble of repeated charging and enjoy the whole day of listening.