Wireless Speaker Featuring High Definition Bluetooth® 2.1 Technology. Features High Definition Sound With A Built-In Microphone For Easy Hands-Free Calling. Simply Pair Your Device To Enjoy Dynamic Stereo Sound. Perfect For Your Home, Office Or Outdoor Activities. 300 mAh Lithium Polymer Battery Included. Pairs From Up To 30 Feet Away. Up To 2 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.