JBL GO Portable Wireless Bluetooth Speaker W/A Built-in Strap-Hook (Pink) Compatible with your choice of either iOS or Android devices giving you the flexibility you need for your listening pleasure The 3.5mm auxiliary input allows you to connect external (portable) sources, mostly through their headphone output convenient charging at any standard USB port, Call acceptance with the integrated microphone Has a built-in strap-hook which enables you to bring your music everywhere. The battery is easily recharged, which saves you battery hassles and money