The 3.7V 4-Port Battery Charger Adapter for Parrot Mini Drones Rolling Spider has four ports that charge up tofour batteries at one time. Stable performance and high charging efficiency make it a perfect replacement of the original charger. Inbuilt with IC protective circuits￡? it protects the batteries from overcharging or unexpected damage caused by high current. Made of high-grade material￡? it is safe and reliable. Lightweight and compact design makes iteasy to carry. So￡? with such good quality and unbeatable price￡? what are you waiting for? Don?ˉt hesitate to get one!                                    Features             Charge up to four batteries at one time<br> Stable performance￡? high charging efficiency<br> Inbuilt with IC protective circuits<br> Protect the batteries from overcharging or unexpected damage caused by high current<br> Lightweight and compact design￡? easy to carry   <br>                                                            Specifications             Material     PC    <br> Weight     0.71oz / 20g    <br> Color     Black    <br> Dimensions     (2.56 x 1.61 x 0.67)" / (6.5 x 4.1 x 1.7)cm (L x W x H)     <br>                                                             Package Includes            1 x Battery Charger<br>