SUFUM Bluetooth Headphones Wireless Neckband Headsets 4.0 Music Stereo Sports/running Headset for Apple iPhone iPad iPod Samsung Android Smart Phones And Other Bluetooth Device(Black) It has high sound quality with Noise reduction & Echo cancellation technology & Bluetooth 4.0 version. Unique around-the-neck design, lightweight and comfortable to wear, makes it perfect to use hands free during sports, gardening, working out and driving, and the magnetic ear buds snap into place when not in use. With built-in microphone, it enables you to enjoy music and call pickup/hangup hands free and it vibrates when you have calls and the rechargeable built-in battery provides ultra-long standby time/talking time/music playing time. Its easy to use: switch on(blue light flash)-ready to pair(blue & red light flash alternately)-bluetooth connected(blue light flash)-play music/pickup calls-switch off; It is also capable of connecting to two devices at the same time and the device is compatible with most Bluetooth-enabled phones, including LG, iPhone, Samsung, HTC, Huawei, and etc. It has high sound quality with Noise reduction &amp; Echo cancellation technology &amp; Bluetooth 4.0 version. Unique around-the-neck design, lightweight and comfortable to wear, makes it perfect to use hands free during sports, gardening, working out and driving, and the magnetic ear buds snap into place when not in use. With built-in microphone, it enables you to enjoy music and call pickup/hangup hands free and it vibrates when you have calls and the rechargeable built-in battery provides ultra-long standby time/talking time/music playing time. It&#039;s easy to use: switch on(blue light flash)-ready to pair(blue &amp; red light flash alternately)-bluetooth connected(blue light flash)-play music/pickup calls-switch off; It is also capable of connecting to two devices at the same time and the device is compatible with most Bluetooth-enabled phones, including LG, iPhone, Samsung, HTC, Huawei, and etc.