the headset is a copper ring 10MM speakers, bass works well, the ears will not pain after long listening.
ear hanging is soft silicone, tightly fit the ears, does not fall when running .
World-class noise cancellation makes quiet sound quieter and music sound better
Universal Compatibility: autvivid headphones can work seamlessly with your iPad, iPhone, iPod Touch, Android Smartphones, tablets, Bluetooth-enabled music players and any device with bluetooth connection.
Can conect 2 devices simultaneously

Technical Details

Product Details

Package Dimensions
Width : 2.96 inch
Height : 1.04 inch
Length : 3.94 inch

Shipping Weight: 0 ounce (View shipping rates and policies)

ASIN : B01K1JGG8Y