1. Frequency response: 20Hz-20kHz
2. Input power: 10MW
3. drive unit: 10mm
4. Cable length: 63cm
5. Approximate weight: 28.0 grams (0.06 pounds)
6. Microphone frequency response range: 300Hz-3.4KHZ
7. Battery Type: 160 MAH Rechargeable Li-ion Battery
8. Battery life: up to 8 hours.
9. Charging time: up to 2 hours.
10. Bluetooth wireless range: 10 meters.