Made Of Silicone. Wireless Speaker Featuring High Definition Bluetooth® 5.4 Technology. Fun Stress Reliever. Simply Pair With Your Device To Enjoy Dynamic Stereo Sound. Press Bubbles, Squeeze Or Bounce To Relieve Stress. Make Your Own Pattern By Pressing On Different Bubbles Or Just Press For Fun. Encourages Focus And Self-Soothing For Users With Anxiety, Attention Disorders And More. Provides Tactile Stimulation. Perfect For Reducing Stress And Boredom. Features A Type-C Input (Cord Included). Charging Time Approximately 2 Hours. Up To 1 Hour Of Play Time At Full Volume And Full Charge. 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.