1) Blue Ray Engine Tech 2) operate range:10m 3) Nano receiver 4) working on more surface 5) super thin design Detailed Product Descriptionbest gift mini car computer mouse (DK-37) 1. Mini car shape 2. 1 year warranty 3. RoHS ABS material 4. CE FCC RoHS standard Best gift mini car computer mouse (DK-37)1. Mouse2. Optical mouse3. Computer mouse4. Retractable cable is optional5. Scroll wheel with ...