Features: Both left and right earphone are completed with BT function, so the earphones can be used separately or used in pairs, satisfying your different using needs. HIFI sound, 6mm stereo sound unit,enjoy a wider range of music, vivid sound field, clear and shock sound quality. Intelligent noise-reduction,shield the surrounding noise and communicates efficiently. Magnetic-induction storage box,protect the earphones from dust and damage. Mini and lightweight, ergonomic design, comfortable for long time wearing. Strong compatibility, suitable for most BT-enabled devices, like for iOS/Android smartphones, tablets, laptops, etc.