1.Newly upgraded version 5.1, no interference and smooth connection. No fear of high-speed transmission in any environment, the signal is more stable, the power consumption is lower, and the transmission is faster
2.Lightweight semi-in-ear design, light and stable, natural and non-sensing to wear, no matter how large the range is, it still fits firmly
3.Type-c interface portable universal fast charging, no positive or negative, safe and stable fast