Mast Dragon Hawk Machine parameters:
Name:Mast Flip Adjustable
Working Voltage: 5-12V
Weight: 173g
Stroke: 2.6/2.9/3.2/3.5/3.8/4.0mm
Speed: 12V/10000RPM
Length: 111mm
Diameter: 30mm
Motor:Custom Mast Coreless Motor 
Interface:RCA Socket 
Battery Parameters:
Weight:66g
Diameter:30mm
Length:80mm*64mm
Battery Capacity:1700mAh
Out Voltage:5-12V 
Connect cord:RCA
Charging Voltage:DC 5V 1A
Charging Time:2.5Hour 
Operating Time:4-6Hour 
Battery Instructions: 
1.Rotary Adjustment Voltage
2.L-shape outshell to lower the center of gravity
3.LED screen:Double click the power button to switch the display of voltage working time and remaining power.
4.10V Instant Start Up:Input short circuit protection Overcharge protection,Become safer.
Package Include:
1pc Mast Flip Machine
1pc Power Supply
1pc One box of 20 pcs Sterile 1303RL Needles
1pc Type-c cords
1pc RCA cords