REMAX RB-S2 Magnet Blutooth headphones Runner Earbuds Sport Headsets with Mic Compatible with iPhone, Android, and Other Leading Smartphones (Tarnish) Fun and functional magnetic earbuds that can connect to each other when not in use. Music plays 4-6 hours, but unit charges quickly, often within one to two hours. Easy and convenient one-touch button for operation. Background noise reducing mic for clear and interruption free phone calls. Ergonomically designed buds to hold firm even during the most strenuous exercises.