Feature: Miniature size & light weight. Super wide infrared control miniature design for indoor flying 19cm long and weighing an incredible 34 grams Controlled by 32-level high precision speed. Auto stable, rotor blade system for steady lifting-up High tenacity propeller High capability, dynamical Li-Poly battery. Can be recharged through the transmitter provided Charging and power indicator Speculation: Helicopter battery: 3.7v Rechargeable lithium polymer battery Charging Time: 30-35 minutes Flight Duration: 6-8 minutes Frequency: Infrared control system - bands A, B & C Control Specification: forward / backward / up / down / left / right Range: Up to 10m (30ft) Included: 100% Brand New 1 x 3-Channel Radio Remote Control Gyro Star Helicopter 1 x Remote Control (not include 1.5v AA battery) Bonus Parts: 1 x Balance Bar, 4x Main Blade, 1x Top Grip Set, 4x Connect Buckle, 2x Tail Blade, 1x Tail Decoration 1x USB Cable