1. Wearing method: In-ear type
2. Frequency: 20HZ-20KHZ
3. Super bass effect, large-diameter sound cavity tube design, optimized bass dive and elasticity
4. Adopt ergonomic tilt angle design, comfortable to wear
5. Built-in multi-function line control, supports one-click answering calls, and the radio reception is clear and stable
6. Compatible with most playback devices on the market