Wireless Speaker Featuring High Definition Bluetooth® 4.1 Technology | Simply Pair Your Device To Enjoy Dynamic Stereo Sound | Perfect For Your Home, Office Or Outdoor Activities | Features A Micro USB Input (Cord Included) | Output: 5 Volts/1.8 Amp | 300 mAh Lithium Polymer Battery Included | Pairs From Up To 30 Feet Away | Up To 1.5 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 Promoful, Inc. is under license. Other trademarks and trade names are those of their respective owners.