1. High quality and durable TPEbulletproof wire tensile and folding resistant
2. 3.5mm L-type golden pin compatible with 99% mobile phones of the market
3. 10mm high-fidelity dynamic circle unit low frequency and pen sound field
4. Multiayer graphene vibrating diaphragm less distortion and more original sound
5. Comfortable 45 degree grade in-ear wearing effectively lower external noise
