never used. authentic Beats headphones, comes with all accessories and stickers are still on the product. great value! WHAT IT DOES: Pure Adaptive Noise Cancelling (Pure ANC) actively blocks external noise Beats Studio3 Wireless headphones Carrying case 3.5mm RemoteTalk cable Universal USB charging cable (USB-A to USB Micro-B) Quick Start Guide Warranty Card Model Number - MX3X2LL/A Real-time audio calibration preserves a premium listening experience Compatible with Android 4 and Apple