Wireless Speaker Featuring High Definition Bluetooth® 3.0 Technology | Simply Pair Your Device With The Speaker To Enjoy Dynamic Stereo Sound | Features High Definition Sound With A Built-In Microphone For Easy Hands-Free Calling | Use Micro SD Slot For A Preset Playlist | Detachable Desk Stand And 37" Leatherette Shoulder Strap Maximize Mobility | Perfect For Your Home, Office Or Outdoor Activities | Features A Micro USB Input (Cord Included) | 4000 mAh Lithium Ion Battery Included | Pairs From Up To 30 Feet Away | Up To 8 Hours Of Play Time! | The Bluetooth® word mark and logos are registered trademarks owned by the Bluetooth SIG, Inc. and any use of such marks by Hit Promotional Products, Inc. is under license. Other trademarks and trade names are those of their respective owners.