Brand Name: hello face Material: Metal Power Source: Rechargeable battery Microneedle Length: ≤0.25mm High-concerned chemical: None Origin: Mainland China Is Batteries Included: Yes Power Source: AU Power Source: UK Power Source: EU Power Source: US Power Source: Rechargeable battery Number of Pieces: Combo Use for: Eyebrow Lip Eyeliner Face Battery capacity: 380 mAh item name: Derma Pen Microneedle Machine Product name: Wireless derma pen M8S Speed control: 6 speed control Handle color: Black derma pen Power type: Wireless Type: Derma Rolling System Funtion: Facial Skin care,Skin Rejuvenation Certification: CE Service: Support dropshipping Needle Type: 12/18/24/36/42/Nano/3D Skin Care Kit: With Digital Display Exclusive Cartridge: With 12 pcs Needles Most powerful motor: up to 22000RPM Upgrade needle: three interface modes Key words: Anti backflow needle electric micro needle Key words 1: microneedling pen m8 Key words 2: microneedling machine Key words 3: dr pen Key words 4: derma pen Key words 5: microneedling pen Key words 6: Nano needling Key words 7: Cosmetic needling Key words 8: Collagen Induction Therapy Dr pen set package: Dr pen M8S With 12 pcs needles Language of instruction manual: English, Spanish, Portuguese, French, German, Italian Charging time: 2 hours