Surround your office visitors with this sensational selection! This wireless Bluetooth speaker comes in various color choices, is made from ABS and metal and supports many variations of mobile devices. Present your business name on this sound system, which can play continuously for four hours on one charge, supports hands free cell phone calls, has a built-in sub-woofer speaker, supports micro SD card and plays off an FM radio as well. Start a pool party, turn up the music for housework or provide hands-free options for many other events. Make this fantastic favorite your next advertising item! Features: Standard 3.5mm Audio Input which support MP3, Mobile Phones, iPod, iPhone, etc. Works as far as 10 M from the Bluetooth Device Support Talking / Listening even if the Device is Located in Another Room With High Quality Steel Casing Last Up to 4 Hours of Continuous Playback Shows Speaker's battery level on iPhones Bluetooth Support for Hands Free Cell Phone Calls Has Wonderful Built in Sub-woofer speaker High Capacity Lithium Battery Supports Micro SD Card FM Radio Also Works with Headset Available Colors: Red, Blue, Black and Silver Price Includes: Free setups Free virtual proof Free Logo PMS matching Free standard shipping to 1 continental US commercial location