iWireless USA IW-BT1 Bluetooth Headphone Wireless Earphone by iWireless [Active Series - Running, Biking, Gym, Exercise, Training, Weight Lifting, Sports] WITH BUILT-IN POWER, VOLUME, MUSIC, PHONE CALL CONTROLS for iPod, iPhone, iPad, Galaxy, Smartphone, Tablet (Red/Black) Dual functionality allows users to seamlessly listen to music wirelessly and make/receive hands-free phone calls Combination of high quality audio output, built-in microphone, and latest Bluetooth technology Features built-in, multifunctional command component that enables the control of Power On/Off, Music, Volume, and Phone Calls right at your fingertips Many competing products either require that you download a supplemental third-party app or use inconveniently located buttons on the back side of earpiece to control device Can be easily connected to any Smartphone, Tablet, or Media Device that has Bluetooth capability