Sport Wireless Bluetooth Headphones, Upgrade Sweatproof Neckband Stereo Earphones  Earbuds-Blue Vibration alert on call,Stereo Bluetooth headset for wireless music plus call functionality Unique around-the-neck design for easy carrying,lightweight and comfortable for all-day use Noise reduction and echo cancellation. Easy Magnetic Earphone Storage Multi-point connection,can connect two phones at the same time Note:it can not connact voice control by earphone button,only when you turn on phone siri/s-voice,it can be used