1. Dual-EQ mode (classic mode plus bass boost) 2. BT 5.3, instant connection (better anti-interference performance, reduced power consumption, and automatic reconnection after case opening) 3. 35 hours of total listening time, incredibly quick charging (7 hours on a single charge, 35 hours with the charging case, and 10-minute charging provides 1 hour of listening time) 4. Low latency technology (65 ms low latency, sound and image in sync) 5. DNS enhanced calling (clear calling experience, noise reduction via DNS) 6. Increased portability (ideal for traveling, it can be fastened to pants, backpacks, purses, and keychains) 7. Durable comfort (a snug, comfortable fit that doesn't come off) 8. Water resistant (IP54 waterproof rating; able to tolerate sweat and rain) 9. Universal compatibility (suitable for a wide range of Windows, iOS, and Android devices)