Firefish Bluetooth 4.0 Earphones, Wireless Bluetooth Sports Headphones, Portable Running Headsets Stereo Universal with Microphone for iPhone, Samsung, iPad, iPod and other Bluetooth device [Black] The Bluetooth Headset could be compatible with Android and iPhone, iPad, tablets, smart phones, iPods, and other Bluetooth-enable digital device. The distance coverage up to 10 meters, to ensure the smooth pairing, as close to the phone and headset. This headphone can play music or talking about 7-8 hours. The standby time will up to 250 hours. The Headphone Cable could get back into shape automatically once you press the button beside the headset, if you need to use it, you just pull it out. This is a very humanized design. How to use? It is very easy to use, you just need to activate Bluetooth, then search equipment in your smart phone, once pairing successfully, then Bluetooth will report the connect status automatically. We suggest you to full charge the Bluetooth when you use it first time. You could use it to answer/end a call, and you could use it to play/pause/stop the music. There is the volume control button to turn the volume up/down. It could be connected to the computer for the Skype via USB Bluetooth adapter. Package includes: 1 x Bluetooth Headset, 1 x Charging Cable, 1 x Instruction (Please pay attention that this headset has NOT Last Number Recall Function)