HAVIT Car Charger Adapter with Coiled Built-In Micro-USB Cable for Smartphones and Tablets (HV-UC271) Fastest Charge - Delivers High Speed Charging with 2.4A output. Broad Compatibility - Mobile devices with a Micro-USB port, like Android, Samsung, HTC, Motorola, Sprint, Nokia, LG, HP, Sony & Blackberry. Special for all input 5V or less electronic devices charged. Smallvolume,lightweight - Over-voltage/ current protection,short-circuit protection. All HAVIT products are built to the highest quality standards and we stand behind our products with 30 day money back guarantee and a full 1 year manufacturer's warranty.