1. Material: Food grade ABS,TPE
2. Bristle:High qualilty Dupont soft nylon
3. Frequency:18000 strocks/min
4. Power supply: 1X"AAA"battery
5. Smart Switch: one Switch for on/off, non-slip design,
6. Easy handle, flexible brush head
7.surface baking varnish treatment
8. Waterproof grade: IPX6