H15 Mini Hand Fan 5 Speeds DisplayModel : H15Power : 2.5WBattery voltage : 3.7vinput Current : 5v/2ABattery : 3000mAh ( 18650 Lithium battery )Charge Time : 1-2 HourUse Time : 2-3 Hour ( Depend on Speed )Product Dimensions:188 x 90 x 16mmWeight :190gController Type:Button ControlMaterial:PlasticNumb..