1. Comfortable and safe with not in-ear design. 2. No falling off for sports with earhook 3. Directional audio transmission for high clarity sound and privacy protection. 4. Bluetooth 5.3: faster and more stable connection 5. Clear communication with smart noise cancelling 6. Long battery life: continuous listening for over 9 hours. 7. Support wireless charging for convenience 8. No worry for sweat with IPX5 waterproof design