Feed forward ANC with active noise cancellation and passive mode. 

Both earphones use monitor (IBRT-sniffing) connection system, great anti-interference function 

provides a more stable signal.

Support seamless connection, master-slave auto role switching, master-slave power 

automatic balance switching.

BT5.0 version dual-mode, super low power consumption and longer standby time.

Support dual mic beam-forming ANC algorithm.

E13The controller is CM33 dual-core 300M, can add third-party algorithms.