Extremely Slim design ensure maximum portability wherever you go. Handy for home, office, and travel. The thickness of the product is only 4 3/8 ” x 2 1/2 ” x 3/8 “in & The weight of the product is only 150g,help you save 1.4X time charging your phone, full power charges your any smart devices , Multi Protect safety system and UL certification ensures complete protection for you and your devices. Safety design with over-current protection(OCP), over-voltage protection(OVP), and short-circuit protection(SCP). ensure a safe and fast charging.Customize the power bank with your company, organization, or school’s name, logo, and/or slogan. What an ingenious way to show off your logo!