... . Compatible with all audio devices with a standard 3.5mm headphones socket. Fits comfortable in your pocket, purse or backpack Excellent ... ,frequency response:20Hz-20000Hz5,plug:golden 3.5mm*4P plug6,logo available7,sample available8,with Mic and remote9, Three size eartips ... bag ,Blister package or colorful box package with your own LOGO or neutral package.2)Each one with blister package:200PCS ...