The Hooga Charge is our smallest, most portable and mobile red light therapy device. It features a rechargeable 10,000mAh lithium ion battery with included charging cable so you can take your red light therapy with you on the go! The Charge will give you about ten, 10-minute sessions on a single battery charge. Then, once it needs to be recharged, it can fully charge in about 8 hours. It's lightweight and portable, weighing in at less than 1.3 lbs and measures 5.9 inches x 3.9 inches x 1.3 inches! The Charge comes with a quality, zippered travel carrying case as well, making it easy to take with you when you travel.