1) It's a novel projector pen(ball pen)
2) Material: copper Pen body
3) We can OEM print the logo as clients' designs and match the colours as clients'request.
4) The projector logo can be OEM designed.
5) It's a popular projector pen which is very suitable for promotion purpose in bulk.
6) The life of the batteries is 9 months.
7) The function is to projector clients' logo and writing.