4mm drivers; Bluetooth(R) V4.1, JL chipset; Freq resp: 20Hz-20kHz; Flexible band for comfortable fit; Snug & secure fit with earfins; Noise isolation; Sweatproof; Built-in microphone; Rechargeable 80mAh battery; Up to 3 hours of play time; 2 hours of recharging time; Includes USB charging cable; Yellow
Warranty: One Year
Country of Origin: China,united States