Active Noise Cancelling Headphones,Wireless Bluetooth Headphones Built-in Mic 40 Hours Playtime Wireless Noise Cancelling Headphone 3D Low Bass Tone Fast Charge

Advanced ANC technology: Bluetooth noise cancelling headphones adopts the latest noise reduction technology, which is a combination of active noise reduction and passive noise reduction. One touch to turn on the ANC function,when the indicator light is on,bluetooth headphones noise canceling can detect and cancel a wider range of low-mid and low-frequency noise, providing you with excellent sound performance - clear high and low bass.