1. Transmitting and receiving RX/TX Two-in-one design with free mode switching 2. A smart LED digital display that makes it simple to see how much capacity is left 3. Integrated 300mAh battery with a 14-hour battery life 4. The most recent BT 5.3 technology, stable connection within 30m, low latency 5. A vibrant LED ring that makes it easier to operate at night and makes driving safer 6. A multi-mode AUX/TF/BT connection that meets various needs 7. Separate control buttons that make it simple to answer and reject calls or play and pause music 8. A space-saving magnetic plate that works anywhere and 3M adhesive that is resistant to high temperatures and can be removed 9. Clearer calling experience with dual-mic ENC noise cancellation that accurately captures human voice