AVA UNI-B

Advantages: 1:Adjustable stroke from 2.5mm to 4.5mm, no limits between it. You can adjsut 2.5,2.6,2.7... etc. 2:Timing function: Start timing while turn on, keep timing data even change the battery . Timing reset by holding both the "+" and "-" buttons for 3s 3:18500 Lithium-ion Battery replaceable ,upgrade circuit protect measures can protect the circuit board of UNi-B machine even install battery wrongly; 4:High-definition color screen show voltage, hertz,timing and power display. 5:When the battery is running low, Lightning icon on screen will flash to remind you that the battery needs to be charged. 6:With built-in rebound function, it can generate corresponding rebound according to different skin conditions to reduce skin damage. 7:Anti-slip grip 8:High-speed motor, true speed 10500rpm: more powerful, easy to enter the skin with a smaller volt. 9:Low battery reminder 10:Upgraded 10c power battery: longer working time 11:The screen is upgraded to color, and the color corresponds to the battery