-BL SIGNATURE SOUND: Make the everyday extraordinary with these earbuds. 40mm drivers power great JBL Signature Sound. 
-Adaptive Noise Cancelling technology allows you to block-out ambient sounds so nothing disturbs you. Ambient Aware keeps you safe while walking in the streets with your music on and TalkThru allows you to have quick chats without removing your JBL Live 660NC.
-Get help from Hey Google (Android Only) or Alexa (Android 6.0+) through your voice or with a tap on the earcup (Not Supported in Egypt)
-Lightweight and comfortable thanks to the pillow-soft padded headband, you’ll enjoy up to 50 hours of music streaming with ANC off, perfect stereo calls and a convenient detachable audio cable, that lets you rock on even when the battery goes off. When not in use, your Live 660NC automatically pause and resume playing when picked up again
-Dynamic frequency response range (Hz)16 Hz – 20 kHz
-Charging time 2 hours
-In the box: 
1 x Live 660NC
1 x Type-C Charging Cable
1 x Audio cable
1 x Carrying Pouch
1 x Quick Start Guide/Safety Sheet
1 x Warranty/Warning
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No Noise
Reduce up to 95% of low-frequency noises around you, SE7 active noise canceling headphones provide a quiet music enjoyment experience for you.
Hybrid Noise Cancelling
SE7 wireless headphones adopt the latest noise cancellation technology in the form of hybrid plus double-fed which improves the noise cancellation effect.
More Details
The 40mm Large Aperture Drivers transmit every detail of audio to your ears perfectly, so you can hear your music exactly as it was intended to be heard.