A pair of practical in-ear headphones from Skullcandy. With one charge, you get up to 12 hours of battery life.
From Amazon
Skullcandy Dime 2 In-Ear Wireless Earbuds, 12 Hr Battery, Microphone, Works with iPhone Android and Bluetooth Devices - Black
OnBuy
Skullcandy Dime 2 True Wireless In-Ear Earbuds - True Black (S2DBW-P740)