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* Lightweight and sweatproof portable design
* Bluetooth CRS V4.1 chip, built-in microphone
* HD stereo interaural sound, diaphragm vibrating technology
* Built-in rechargeable battery
* Multiple pairing (up to 2 phones)
* Voice command to pick up/reject calls
* Clear bass resonance, SI 6.0 wind noise, and superior sound insulation
* Compatible with various devices with bluetooth function for Android mobile phone and iPhone