good price with nice quality can do OEM upon customer request any concern can discuss 1. Compatibel with windows 98/2000/ME/XP/ME/XP/NT/VISTA2. USB port 3. 8 way directional single 4. different colour to choice 5. Four axis 8 fire buttons6. 50pcs per one carton7. 12000pcs per one 20 feet container8. 28000pcs per one 40 feet container