Weightless FUNWhen comfort is a priority the Motorola S9 wont weigh you down. Weighing barely an ounce the Motorola S9 is lighter than an average pair of sunglasses! The behind the head form and small ear buds (1.3 centimeters) help provide true comfort even during extended use.Convenient music and calls controlsCalls volume and track controls so you can play your music or answer a call by simply