6 months quality warranty Most phones， including BlackBerry， Apple iPhone， LGENV and Motorola Razr (charging cable). Garmin's GPS， Apple iPod， or any other device using 1A or less by USB power charge. Features: High quality socket Modified car USB waterproof socket USB socket holes， with Four USB ports， with blue LED Charge for Phones， GPS，Tablet PC. Listing is for one USB charging socket all in one integrated design. Has four ports two charging at 2.1 amp and two charging at 1 amp. A tight fitting cap protects the USB ports when not in use. All nylon construction and UV resistant. Parameters: Input voltage: 12V-24V ± 4.0V USB (output) voltage: 5V ± 0.25V Input voltage: 12V-24V ± 4.0V USB (output) voltage: 5V ± 0.25V Output Current: 5V 1A; 5V 2.1A Rapid charging for mobile phone IC chip inside prevents overcharging and short circuit Package Contents: 1 * Car Charger