2-Pack: Mobile Spec Headphone Amplifier and Enhancer for Universal/Smart Phone

Portable Headphone Amplifier and Enhancer. Increases the Volume and Audio Quality from Your Mobile Devices. Wireless Signals to/from Compatible Devices. Compatible with Smartphones Tablets MP3s Portable Speakers & Headphones. Compact and Lightweight Design. Features: Increases the Volume and Audio Quality from Your Mobile Devices Wireless Signals to/from Compatible Devices Compatible with Smartphones Tablets MP3s Portable Speakers and Headphones Compact and Lightweight Design Includes 2 pack (Standard 3.5mm Connector Cable and USB to Micro Cable)