Features:
<br />1. Bluetooth 4.1 chipset, strong Bluetooth signal, operating distance up to 10 meters; superior Bluetooth compatibility, compatible with all the Bluetooth enabled Smartphones, Tablet PC, Smart TV, etc.
<br />2. High Definition 40mm Speaker Drive Units, HiFi super bass and stereo sound effect.
<br />3. Lower power consumption, built in 300mAh Polymer Lithium Battery, music playback time up to 8 hours.
<br />4. Integrated streamline structure, the surface processed by piano baking varnish technology, anti-dirt, cool dazzling appearance.
<br />5. Perfect human ergonomic design, adjustable head-beam, soft breathable protein earmuffs, comfortable to use.
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<br />Main Parameters:
<br />1. Brand Name: OVLENG
<br />2. Bluetooth Version: V4.0 
<br />3. Product Color: Black/White/Gold/Red
<br />4. Operation range: 10m
<br />5. Battery capacity: 300mAh
<br />6. Driver Unit: about 40mm/1.57in
<br />7. Sensitivity:110 3dB
<br />8. Impedance: 32 
<br />9. Charging voltage: DC5V
<br />10. Music time: 4-6h
<br />11. Talking time: 8-10h
<br />12. Microphone: built-in
<br />13. Power rating: 100mw
<br />14. Working voltage: DC3.7V
<br />15. Frequency: 20-20KHz
<br />16. Support Fm radio and tf card
<br />17. Standby time: 120h
<br />18. Packing Weight: about 387g
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<br />Packing List: 
<br />1 x Bluetooth headset
<br />1 x USB cable
<br />1 x Manual