Wireless Speaker Featuring High Definition Bluetooth® 3.0 Technology | Simply Pair Your Device To Enjoy Dynamic Stereo Sound | Convenient Carrying Pouch And Charging/Audio I/O Cord Included | Perfect For Your Home, Office Or Outdoor Activities | Gift Box Packaging With Pouch And USB Cable Included | Download User Manual (Instructions Tab Below) | Pairs From Up To 30 Feet Away | 310 mAh Lithium Polymer Battery Included | Up To 2 Hours Of Play Time | 31″ Cord | 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.. Approximate Size: 1 3/4″ H x 1 3/4″ Diameter, Imprint Area: 1″ W x 1″ H