Feature 1: Wireless Presenter Feature 2: USB Receiver Feature 3: USB-C Charging Pen Feature 4: Suitable for lectures by conference teachers Feature 5: Portable Universal Projector Pen remote page Support APP: No Frequency: 2.4G Uses: TV, computer, projector Colour: grey Material:plastic Package Contents: 1 x page presenter 1 x type-c cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.