Active Bluetooth Earbuds Headset for iPhone, Samsung Galaxy, HTC, Nokia, Smartphones, Tablets, and Apple Notebooks, Laptops or Desktops - Black This headset allows the user to perform most of the audio functions related to tablets and smartphone, as well as all Apple notebooks and desktops directly from the headset. Functionality may vary with windows notebooks and desktops. offers a secure and comfortable fit, easy intuitive controls, and quality audio delivery. It can be used in almost any normal daily activity, whether indoors or outdoors. The behind-the-head flexible band keeps the headphone securely on your head while keeping its weight off your ears, eliminating any discomfort. It can also isolate noise with soft-lining earbuds that can deliver hours of quality audio. The headset easily pairs with your device for first time setup. After that, it can automatically detect the device and pair in less than a few seconds, and then youre good to go! The headset has many of the frequently used controls such as play/pause, answer/hang up (hands-free function), skip forward/back, volume up/down, and microphone directly on the headset so theres very little need to actually whip out your phone to change songs, or answer a call. Sound quality and battery life: has amazing sound quality. It can cover high, low, and middle ranges very well, without too much emphasis on either end. The battery can last up to 4-5 hours of continuous playback or talk time, and the device can be charged in about 1hr and ready to go for more. Version : Bluetooth V2.1+EDR Frequency range: 2.402GHZ~2.480GHZ ISM BAND Transmitting Range:&lt;=10M