Features: 1. Low power consumption, low latency, more stable 2. Smart touch, one-key open shortcut operation 3. Ergonomic design, naturally fits the auricle, comfortable to wear 4. Stable transmission, synchronization of audio and video 5. Built-in 13mm composite diaphragm dynamic coil, bringing high-quality sound quality 6. Two high-sensitivity microphones are built in each of the left and right earphones, and with ENC noise reduction technology, the call is clear