Craig On The Go Portable Bluetooth Speaker - Retail Packaging (CMA3558) (Red) Supports Wireless Music Streaming via Bluetooth Wireless Technology Easily Connects to your Smartphone or other Bluetooth Wireless Technology enabled Audio Device Plays all Audio devices through 3.5mm Aux in Jack Highly portable, fits conveniently into your briefcase, backpack, or purse Transmission Distance : Up to 32 Feet