HIFI sound quality; Noise reduction technology; Ergonomic design, super comfortable; Smart Touch technology to answer calls, play music, etc. with an easy touch; 2000 mAh battery, lasts 220 hours (standby); Latest Bluetooth 5.0 technology, more stable signal and longer range (32ft / 10m); Smart Assistant compatible, Siri, Google, etc.; Can be used as power bank to charge your phone; Can be used as flashlight, mini fan; portable and stylish.