Ebest - Model King 2012 Newest Pink 3.5-Channle Gyroscope Remote Control Helicopter Toys 33013 (This Product is Not Intended for Children Under 12 Years Old) Product packing: Window Box Battery for helicopter: 3.7V 300-500mAh lithium battery Charging time:20-30 minutes Flying Time:6-8 minutes Control distance:10 meters