Brand Name: Syma
Model: X21
Frequency : 2.4G
Channel : 4CH
Gyro:6 Axis
Battery for Quadcopter: 3.7V 380mAh Li-poly(Included)
Transmitter Battery: 4 x AA battery(Not included)
Charging Time : About 90 mins(USB charging)
Flying time : About 8 minutes
Controlling distance:About 100 meters
Charging time: About 110 minutes
Battery replaceable: Substitutable
Product size:13.5*13.5*3.1cm

Features:

• With Altitude hold mode can set hight.
• The drone battery can be removed.
• With Headless Mode,no need to adjust the position of aircraft before flying 
• 6-Axis gyro quad-rotorcraft flight, strong stability,can easily implement various flight movements, stronger wind resistance, easier to control.
• 4 Channel which can do ascend, descend, forward, backward, left sideward fly, right sideward fly and rolling 360° 
• Lightweight airframe with nice durability
• One Key Take off & Landing, one press automatically taking off or landing, rc quadcopter will take off or go back to the position where it took off.
• The creatively designed LED lights are fitted for night flight possibilities, leaving a beautiful landscape in the night sky.
• Function: Up / down / left turn / right turn / forward / back / left side fly / right side fly / one key take off / one key landing / 360 degrees rolling / hover / headless mode / low/hight speed mode switch / left/right hand mode swift / throw out to fly

Warranty : no waranty

Package Included:
1 x SYMA X21 Quadcopter
4 x Propeller
1 x Transmitter
1 x Screwdriver
1 x USB cable
1 x Manual