With all the outstanding features: Matt Finish with Compact Design, 24 Hours Playback Time & 240 Hours of Long Standby Time, 13 mm drivers for powerful sound & incredible baDS Technology for Clear Binaural HD Phone Calls, Powered by ChargeTechnology that lasts up to 24 Hrs., Fastest Pairing Ft. SUPERS Technology, Smart Touch Control, Voice Assistance, IPX4 Water Resistant & much-more! Let’s make connections clearer, use the Neckbend for your voice calls, the 2 built-in microphones will ensure audio transmission to be smoother and clutter free for the best voice call experience.