Bluetooth V4.1 Wireless Stereo Headsets/Headphones/earphones with Detachable Microphone - Duplex Sound, Echo and noise cancellation, Hands Free Universal for iPhone 6, 6 Plus / 5S / 5 / 5C, Samsung Galaxy Note 4 / Note 3 / S4, HTC One M9 / M8 and New Android /Windows Bluetooth Devices.