Sunvito Bluetooth 4.0 Headset Vibration Neckband Stereo Sport Earbuds Headset with Microphone and Magnetic Ear Buds for iPhone,iPad,Samsung,HTC,LG,Moto and Other Bluetooth Device Can connect 2 devices with bluetooth at the same time. Magnetic ear buds snap into place when not in use; music controls on neck strap.10 Hours Of Listening/10 Hours Of Talk Time. Lightweight necklace designs, you can enjoy music during your sports. With call voice and call vibration function,you will not miss any calls;Built-in microphone for hand-free calling. Bluetooth version 4.0 stable connectively and solid performance operational distances.