Are you looking for some decent Bluetooth earbuds? Photive's PH-BTE50 earbuds are currently on sale on Amazon for just $29.95. They are sweat proof and great for working out. Photive also touts a 7-hour battery, that is rechargeable, obviously. They come with multiple ear-tips as well as a nice carrying case to carry them to the gym, or wherever. They also come with a micro USB cable to charge up the earbuds, for when you need a bit more juice.
You can pick up the Photive PH-BTE50 Bluetooth Earbuds now through Amazon and enjoy Amazon Prime Shipping as well.