Portable lightweight and sweatproof design.
Made of Aluminum Material.
Built-in microphone.
Built-in rechargeable Li-ion battery.
Support voice prompt ( in English).
Support connect 2 bluetooth device in the same time.
Support reporting phone number when calls come.
Support HD music playing.
Built-in 14.2mm nedymium driver.
Clear bass resonance, CVC wind noise reduction, and superior sound isolation.