RUNRAY 3.1A Dual USB Car Charger with Safety Hammer Car Cigarette Charger for Smartphones iPhone iPad Android Devices (Black)<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> 1A/2.1A Dual USB Car Charger with safety hammer which can allow you to smash the windows glass easily， it is really a life preserver in emergency </span></li><li><span class="a-list-item"> Automatically recognize the type of charging devices and the most appropriate maximum charging current will be selected automatically for the devices </span></li><li><span class="a-list-item"> Output: Port 1: 5V/1A; Port 2: 5V/2.1A </span></li><li><span class="a-list-item"> 3.1A dual usb provide power for iPhone and iPad or Android devices simultaneously </span></li><li><span class="a-list-item"> The circuit board is made of FR-2 full glass fiber board， fire-proof material with high-adhesive force copper foil. With the newest Synchronous rectifier IC， the efficiency is up to 92%. Because of low electronic ripple， the devices won’t be disrupted when being charged. No bounce and stuck of the mobile screen when you use the phone </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41ayCJFgE5L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41kk1uhR3sL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51He%2B8IOYNL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41jLjUpVmdL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/414cQXHG4mL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41r3qce5ZxL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31lpIyUn2%2BL.jpg" noproxy>