1. Material: plastic + ABS model2. model: xo-x33. Touch control: pop up window for headphone removal (for iPhone)4. Main and auxiliary switch: Yes5. Bluetooth solution: Jerry 69566. Bluetooth transmission distance: 10M7. Earphone battery capacity: 30mah. Charging box: 250m9. Horn diameter: 10 (φ mm)10. Service time: About 2.5h