SocialCompare
Link
TUPPower bankFlash driveExternal diskStylusPen
Product details
Image
Weight28 g150 g8 g10 g5 g8 g
Price$ 35$ 20$ 10$ 25$ 8$ 15
Can charge your phoneYesYesNoNoNoNo
Can transfer data from your computerYesNoYesNoNoNo
Can create extra space on your phoneYesNoNoYesNoNo
Can write on screenYesNoNoNoYesNo
Can write on paperYesNoNoNoNoYes