1. Current BT 5.3 technology, stable connection within 30m, low latency 2. Plug-and-play, simple to use, battery-free, and easy to install 3. A vibrant LED ring that makes it easier to operate at night and makes driving safer 4. Dual-mic ENC noise cancellation improves the clarity of calls by accurately capturing human voices. 5. One-handed operation and independent control buttons 6. Facilitates auto-reconnection and dual-device connectivity 7. HiFi stereo audio quality, cable-free, and compatible with A2DP and SBC protocols