1. True ds2. Bluetooth 5.03. Built-in Micro. Noise Canng5. IPX7 Water Proof6. Hi-Fi Stereo Bass Sound HD Stereo Sound7. 2200 mAh Capacity Power Bank minimum8. Auto Pairing9. Light Weight10. Max talking time 5-6 Hours11. Max music time 5 Hours12. Low Charging time13. Siri ASSISTANT14. Volume Control15- Weight max 4g.