KDM ORIGINAL A3 ACTIVE+ wireless Bluetooth earphone is designed perfectly to give you all-day comfort with Extra Bass and a flexible neckband, comfortable silicon earbuds, and impeccable sound is geared to be your everyday companion. 25 hour battery life - Built-in rechargeable Li-polymer battery. . Easily control your sound and manage calls from your earphone with convenient three- button inline remote with microphone. . KDM in earphone calling control & music. . Incredibly detailed high definition audio. . While running, jogging & gyming you can control toggle the volume/skip tracks/smartphone assistance. . Built-in attractive ergonomics design with extra comfort. . Fast pairing with all smartphones having Bluetooth functionality. . Submerge yourself in the limitless world of sound with the latest in Bluetooth innovation. . A perfect listening experience by cutting edge technology is efficient & convenient.