.[10mm Dynamic Drivers for Rich, Balanced Audio] Engineered with OrigX acoustic technology, the 10mm drivers deliver punchy bass, natural mids, and crisp highs for a well-balanced sound profile. [Dual-Mic ENC Noise Reduction for Clear Calls] Built-in dual microphones with Environmental Noise Cancellation help reduce background noise so your voice stays clearer during calls, meetings, and daily commutes. [97 Hours Total Playtime] Each earbud delivers up to 13 hours on a single charge. The charging case provides approximately 2.6 additional full charges per earbud. By alternating left and right earbuds, you can enjoy up to 97 hours of total listening time.