Headset , Headphone, Bluetooth Headset - Q 8

Bluetooth headset product feature:
high quality.
excellent sound quality.
well design and easy to use.
seamless switching between music and calls.
great sound with control.
the headset supports bluetooth v2.0 with handsfree, headset profiles.
frequency response is 22-18000 hz and total harmonic distortion is less than 0.5%.
music & talk time up to 3 hours, standby time up to 70 hours.
fast charging: up to 75 minutes of music time with 20 minutes of charging.
operating distance: 10m.
range of frequency: 2.4 to 2.4835ghz ism band.
compatible with: various bluetooth enabled devices, for example mobile phone, pda, laptops, etc.
packet content:
1 x bluetooth headset
1 x earphone
1 x ear hook
1 x charger (us/eu plug )
1 x user guide