Lightning Rechargeable Regular Version 01 ENC dual chip active noise reduction has a built-in DSP with powerful computing power, which realizes the technology of canceling the response to external environmental noise during recording, and video recording goes through DSP active noise cancellation technology, dual-power noise reduction, and high-definition sound reproduction. 02 Bluetooth and 2.4G dual layer technology uses 45 nanometer super chip wafer, audio and video sync, real-time reception, and you can hear the recording without unplugging the receiver. 03 360 ° high-fidelity omnidirectional sensor combined with dual-mode chip realizes three-layer environmental noise passive filtering system, filter current sound and restore human voice with high quality, rendering sound more real and cleaner. 04. 10 hours long battery life, built-in 100mAh battery, can last 4 hours without standby power. 05. Obstacle-free transmission measured at 30 meters, high penetrability, stable signal