Headphone Mode:
When Earcups are twisted inwards direction, headphone mode is activated
Speaker Mode:
When earcups are twisted outwards direction speaker mode is activated

Product Description:

New noise reduction technology immersed in the world of music
Bluetooth headset low noise defects
Conform to high-tech ergonomics
High quality aluminium
Stretch out freely 
intelligent recognition requires no extra operation
Available in Different Colours

Product Specification:
Bluetooth version:                                                    CSR 4.2
Speaker:                                                                      Φ9.6mm, 16Ω,5 mW x2
Distortion:                                                                  ≦1％
Frequency response:                                                20HZ-20KHZ
Working time:                                                            6-8 hours
Charging time:                                                            2 hours
Stand by Time:                                                           90 hours
Material:                                                                     Aluminium + ABS 
Working Distance:                                                    Up to 10 meters
Battery:                                                                       Li-poly 40mAh battery x2

Included:                                                                    User's manual, Micro-USB charging cable, Silicone ear hanger, Ear tip set (small, middle and large size)