Charge Your Phone Via The Standard USB Port. 4,400 mAh Lithium Ion Grade A Non-Recycled Battery. Features A Micro USB Input (Cord Included). Passive Radiator For Bass Boost. Wireless Speaker Featuring High Definition Bluetooth� 5.0 Technology With Low-Energy Consumption. Simply Pair With Your Device To Enjoy Dynamic Stereo Sound. Features High Definition Sound With A Built-In Microphone For Easy Hands-Free Calling. Accessible Controls For Song Control, Volume And Hands-Free Calling. Up To 15 Hours Of Play Time. Perfect For Your Home Or Office Activities. Dual 5-Watt Speakers For Rich Playback. LED Lights Indicate Battery Status. Water-Resistant. Carrying Strap. Non-Slip Scratch Resistant Base. 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.