Wireless Speaker Featuring High Definition Bluetooth® 5.0 Technology. Built-In Microphone With Volume Control. Simply Pair With Your Device To Enjoy Dynamic Stereo Sound. Multi-Color Light Show On Both Ends. Lanyard Loop. Power, Volume And Equalizer Press Buttons. SD Card Slot. Aux Port. 3.5mm Headphone Jack Included. Features A Type-C Input With Waterproof Cover (Cord Included). 1800mAh Lithium Polymer Battery Included. Up To 2 1/2 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 the supplier is under license. Other trademarks and trade names are those of their respective owners.