Phrond Bluetooth Headphones Bluetooth 4.1 Wireless In ear Earphones Noise Cancelling Earbuds with Microphone and Volume control Headset For iPhone iPod iPad and all Android smartphones Tablets (Black) Phrond Bluetooth Headphones Featuring latest Bluetooth 4.1 and APT-X + EDR audio decode tech. With 33ft (10meters) Bluetooth working range, allowing you the freedom from wireless earbuds and greater flexibility of phone placement proximity Phrond Bluetooth Wireless Headphones unique flexible Lightweight design, snug and secure. adjustable ear hook allows for a quality and comfortable fit for greater stability during exercising, including running, cycling, workout or normal activities APT-X audio decode tech intelligently filters ambient noise to ensure clearer sound for calls and music playing. Your listening pleasure, comparable to full sized headphones in a convenient lightweight bluetooth headset The polymer 110mAh battery supports approximately 8 hours of playing/talking time and 180 hours of stand-by operation with a single charge, giving you more usage per charge than other bluetooth earbuds Phrond Bluetooth headphones can pair with 2 different Bluetooth devices simultaneously, such as an iPhone, iPod, iPad, Android phone and other Bluetooth enabled devices. This doubles the possibilities for answering calls and enjoying music with your workout headphones, without having to reconfigure between use. This is a great convenience for those who use two cell phone (business and personal), without having to switch headsets every time the other one rings