specifications
color:Black
Weight: 100g including the portable battery
Output Voltage: 5.0 V 1A
I put Voltage: 100-250V, 50-60HZ
Needle Length:0-2.5mm(adjustable)
Speed : 5000-7200 rpm 

Package:
1*Machine
1*Batyery Charging Cable
1*AC/DC Adapter
1*Wireless Battery
1*Wireless Battery Cable
1*1P 0.35MM Needle
1*3P 0.35MM Needle