Features: The 2000mAh charge box is magnetic design, with power display, can charge for mobile phone. CVC8.0 and DSP dual noise reduction technology, bring you high-definition calls. Dynamic unit design, HiFi high fidelity sound quality. Binaural seperation design, single and binaural freely switch. Touch control of music, call, volume and voice assistant, easy operation. IPX7 waterproof, not afraid of exercise sweat and taking a bath. BT5.1 chip, stable performance, high transmission, low consumption and strong compatibility.