This product is not like traditional MP3 been bound by wire, unlike Bluetooth headsets need to link Bluetooth devices before they can listen to music. It is a super soft neck of fitting skin, deformation and comfortable to wear.Mp3 format songs are stored directly to the memory card, memory card into the host slot, turn to play. (Gift TF card reader to download songs Use) Earplugs suction slot designed to be fixed idle earplugs, so that the ear is very. Innovative design and comfortable design, meets the fast and trendy modern life style, call this a complete liberation of the hands. This Zealot Z8 Wireless Headset comes with some replacement headphones for your mp3 player, features, Bluetooth, Memory card, and, a pair of quality headphones for another clear audio device, this headset with built-in high sensitivity microphone for crystal clear phone conversations makes a great choice. Compatible with any digital player that works with a 3.5-millimeter mini-jack, these headphones are designed for comfort. This universal accessory has a sleek, white design, delivering crystal clear sound with plenty of bass response. Whether you're listening to your favorite tunes while working at your desk, running on the treadmill, or relaxing at home, these earbuds fit comfortably in your ears and sound great. Compact and ultra-portable, they'll also fit easily in your pocket or bag, so you can grab them and go