1.13mm large speaker | 30h ultra-long battery life Full "core" upgrade to live up to your love 2. Equipped with Bluetooth 5.3, no lag and low latency With the new upgrade of Bluetooth 5.3, any earphone can be paired and connected separately, without affecting the use of the other earphone, and can be used anytime. 3. Dual dynamic sound quality is transparent and powerful Dual dynamic mid-low frequency sound, dual moving iron mid-high frequency sound, bass is thick and powerful, and treble is clear and bright 4. Titanium film speaker reduces distortion and rich details Improve high-frequency compliance, reduce distortion, rich details, clear and natural human voice, more penetrating sound quality 5. Intelligent noise reduction is like face-to-face communication Adopting new voice noise reduction technology, it effectively solves the interference of environmental noise during calls and greatly improves the call quality. Color: black/white/gray Material: plastic Single set weight: 100g Packing method: boxed Single set contains: Bluetooth headset*1