Features one: Car emergency start 20 times
Features two: first start in cold weather
Features three: bright lighting 40 hours
Features four: up to 30 hours Strobe
Features five: send SOS signal 120 hours
Six characteristics: Smartphone is full of more than 10 times
Features seven: Computer power supply 3 hours
Features eight: the volume is one of the 20 points of the old products
Features nine: life of up to 3-5 years
Features ten: convenience (home and car charger)