Using this universal USB charger simply plug in your USB cable (not provided) and charge your mobile phone or other USB device which conveniently charge your phone on the go. The Universal bullet car charger for most kinds of device features bullet style design with PC&ABS material of fireproof shell will make battery never run out again. This car adapter is match to any car cigarette lighter connector and fits all electronic appliances that use a USB charging cable.The car charger is also available in many colors. Bullet car charger measures in 1"Dia and 2.2"H with light weight is the most useful mobile phone accessory for promotional activities with advertising purpose.