4-port USB wall charger for charging up to four devices at a time-great for phones, tablets, and other devices.Intelligent identification of charging devices, to provide most suitable charging current, products with overload power protection , over voltage,over current,short circuit,and surge protection,safe for using. Lightweight and portable, good for travel and use in office and home. Made from abs material, measuring 2.5 x 2.4 x 1.2inches, this custom 4 ports wall charger phone adaptor. Usage Scenarios: Office supplies, school stationery, corporate promotions, trade show giveaways. Customization: Logo printing available with multiple packaging and color options. Product Highlights: Compact size, lightweight, easy to carry.