Featuring high sound performance and advanced technique, this Bluedio Turbine Hurricane HT Wireless Bluetooth 4.1 Stereo Headphone Headset w

Specifications: 1. Color Black 2. Material PC 3. Bluetooth Version 4.1 4. Frequency Range 20Hz-20KHz 5. Operating Distance Up to 10m Free Space 6. Bluetooth Profiles HSP HFP A2DP AVRCP 7. Impedance 16 8. Sensitivity 110dB 9. Transducer Type Dynamic 10. Distortion 0.1% 11. Music Time 40 Hours 12. Talking Time 45 Hours 13. Standby Time 1625 Hours 14. Charging Time About 2 Hours 15. Operational Temperature -10 to 50 16. Dimensions (2.95 x2.64 x3.35)/(7.5x 6.7x8.5)cm(L xWx H)