Projector,Ball pen with projector

Specifications

Features:
1.Ball pen with projector,can be used to project logo
2.Battery used:AG3*4
3.Material: ABS

Features:1.Ball pen with projector,can be used to project logo

              2.Battery used:AG3*4 (power accumulator.last long)

              3.Material: ABS

              4.Surface metal:chrome

              5.The origin of projector:power bright LED (effect more perfect and clear)

              6.Most clear within 1-4M;Project 5M when in dark area

              7.A key chain and convenient to bring