KUMU Mini Wireless Bluetooth Stereo Headphones w/Microphone for iphone, iPhone 5, iphone 4, iPad, iPod touch, Android, smart phones, and other Bluetooth devices (Black) Wireless headphones, tiny lightweight, earbuds (stereo) Play/pause (also answer calls), Vol +/-, and next/previous track buttons Easy to wear, exceptionally light design stays on during rigorous activity 10 meter range (30 feet) Bluetooth version: 3.0+EDR (enhanced data rate) Up to 2-4 hours continuous play, 180 hours standby