Features Twist-action brass ballpoint pen with a built-in 4GB flash drive 500m of black ink 5MB/s read, 3MB/s write Stylus for use on touch screens Presentation: Optional gift box Specifications Name Description Writing Distance 500m Refill Type Ball Laser Engrave Finish Mirror Refill Colour Black Mechanism Twist Action Barrel Finish Matte Lacquered Trim Shiny Chrome Flash Drive Data Storage Capacity 4GB Flash Drive Interface USB 2.0 Flash Drive Max. Read Speed 5MB/s Flash Drive Max. Write Speed 3MB/s Country Of Origin China Colours Black Dimensions Pen: Dia 14mm x L 140mm x 17mm (includes clip). Gift box: L 181mm x H 30mm x 55mm. Materials Component Material Barrel Stainless Steel Grip Stainless Steel Clip Acrylonitrile Butadiene Styrene (ABS) Tip Acrylonitrile Butadiene Styrene (ABS) Ball Tungsten Carbide End Cap Silicone Twist-action brass ballpoint pen with a built-in 4GB flash drive500m of black ink5MB/s read, 3MB/s writeStylus for use on touch screensPresentation: Optional gift boxWriting Distance: 500mRefill Type: BallLaser Engrave Finish: MirrorRefill Colour: BlackMechanism: Twist ActionBarrel Finish: Matte LacqueredTrim: Shiny ChromeFlash Drive Data Storage Capacity: 4GBFlash Drive Interface: USB 2.0Flash Drive Max. Read Speed: 5MB/sFlash Drive Max. Write Speed: 3MB/sCountry Of Origin: ChinaBarrel: Stainless SteelGrip: Stainless SteelClip: Acrylonitrile Butadiene Styrene (ABS)Tip: Acrylonitrile Butadiene Styrene (ABS)Ball: Tungsten CarbideEnd Cap: Silicone