8.2mm neodymium drivers; Bluetooth(R) V4.1; Freq resp: 20Hz-20kHz; Sweatproof & splashproof (IPX2); 3-button remote & microphone; Voice-assistant compatible; Tangle-free flat cord; Up to 5 hours of play time; Up to 2.5 hours charging time; Alternative to GUMY series; Includes S & M silicone earpieces & USB charging cable; Black;