Specifications: 
Stroke: regulated in 2.0-3.5 mm 
Needle extension adjustment: 0-4.0 mm 
Motor: Coreless 
Total vibration value: max 2.5 m/s² 
Power supply: integrated 1000 mAh battery 
Charging: USB-C charging cable 
Charging time: 2 hours 
Operating time: 4-6 hours 
Operating voltage: 3-12.0 V 
Handle diameter: 22.5 mm 
Dimensions: 130 mm x 25.5 mm 
Weight: 102 g (with battery) 
Warranty : 1 Year