CRYSTAL CLEAR TRUE 3D SOUND: This compact wireless earbuds have unparalleled crisp treble stereo quality on mid range and high range to hear every musical equipment playing, the bass is overwhelming with oomph as you have a woofer inside. There is no distortion even at high volumes and just enjoy fantastic music flowing through entire body as if you were in the live concert. Noise reduction and echo cancellation technology filters ambient noise. SNAP PAIRING WITH SMART CONNECTION STABILITY: Latest Bluetooth V4.2 with TWS technology on both earbuds, provides hyper-stable connection and signal transmission (10m/33 feet no-obstacle range), snap perfectly on pairing within 10 seconds without any fade out or one of them cut in and out. Can be used SIMULTANEOUSLY/ separately to seamlessly transition between listening and calling under single/ dual ear mode, never have to take phone out of your pocket for a hands-free experience. SLEEK, DISCREET WITH ERGONOMIC DESIGN: Convenient build-in mic for on the go calls and music controls: answer/disconnect calls, dial the last number, play PREV/NEXT or pause music to enjoy a completely in sync playback. This wireless headphones comes with 3 rubber caps of different sizes, choose the best size of you to fit snug without wiggling loose or falling out. Zero wires without hassle of cords, it's light and you may don't feel they're really there.