4 In 1 USB Charger with SM\/JST\/Little White Plug for RC  1S Li-battery Features:Quick and easy to use cable for charging all types of 1S RC Battery Li-Po etcIdeal for all types of R\/C (Cars、 Boats、 Helicopter)Instructions:Charging is a red light、 full of electricity is the green light.May apply to desktop computers、 laptops、 cell phone chargers、 mobile phone mobile power USB port to take power.Descripton:Input voltage:5V 1AOutput  voltage:4.2V 1ARecharging Current:1000MAFor Vehicle Type:HelicoptersPlug Type:SM\/JST\/Little White Plug Package list:1 x USB Charger                                      SM                                                  Little White                                 JST                                                                                                Laptop: Charging is a red light                               Laptop:full of electricity is the green light                                           Mobile Phone Charger:Charging is a red light