This is an electrical grinder that is powered by your phone. No battery and no charge needed. It is lightweight and super easy to use. Just plug it into your phone, and it spins.

Features:
Nice and cute, made of high-quality Aluminum.
Fast metal sharp spin teeth
Refine Foil Nail Art to the size you design
Refines tobacco for smooth smoking and easy rolling
Height: 7 cm
Diameter: 4 cm.
Randow colour delivery.

Connection cable with three different heads (Type C, Lightnight, and Micro USB) is included!

Works with:
iPhone 5 and above models OR
Any Android phone with USB Micro 2.0 B charger pot
Any phone that connects Type C, Lightning, or Micro USB