It is an "intelligent power multi-purpose operations", and also a sale cigarette lighter and a laser presenter. Equipped with a USB power cable & variety removable plugs for 3C products & mobile phones. Faciliate carry & charging. Fine bright of 4 level power LED indicator. Applicable to all types of 3C products, such as: Mobile Phone, MP3, MP4, i Phone, i Pod, PSP, digital camera.. etc. Safety control protection for over-voltage, over-chargin, over-discharging, overheat and short circuit protection. Includes 5 types of adpator. Full-charge design: USB plug wall charger, USB car charger, PC USB charger.