• Reduce Noise By Up to 98.5%: Liberty 4 NC noise cancelling earbuds have a high sensitivity in-ear sound sensor, an oversized driver, and an innovative noise isolation chamber that cancels up to 98.5% of noise for peaceful travel. 
• Noise Cancelling Adapts to Ears and Environments: Adaptive ANC 2.0 makes real-time calculations and adjusts to your ear canals and external environment for maximum quiet amongst the hustle and bustle.

Product Dimensions:

4.10 x 4.10 x 2.00 in

0.50 lbs

Shipping Dimensions:

4.40 x 4.40 x 2.30 in