EXHIBIT 1

                                    EXHIBIT 1

         The undersigned  agree that the statement on Schedule 13D to which this
agreement is attached is filed on behalf of each of them.

Dated:  March 4, 1999

                                           LABTEC CORPORATION                   
                                                                                
                                                                                
                                           By: /s/  Xxxxxx X. Xxxxxx            
                                               -------------------------------- 
                                               Xxxxxx X. Xxxxxx, Vice President 
                                                                                
                                                                                
                                           SUN MULTIMEDIA PARTNERS, L.P.        
                                           By:    Sun Multimedia Advisors, Inc. 
                                                  its General Partner           
                                                                                
                                           By: /s/ Xxxxxx X. Xxxxxx             
                                               -------------------------------- 
                                                   Xxxxxx X. Xxxxxx, President  
                                                         and Treasurer          
                                                                                
                                                                                
                                           SUN MULTIMEDIA ADVISORS, INC.        
                                                                                
                                                                                
                                           By: /s/ Xxxxxx X. Xxxxxx             
                                               -------------------------------- 
                                                   Xxxxxx X. Xxxxxx, President  
                                                    and Treasurer               
                                                                                
                                                                                
                                                        /s/ Xxxxxx X. Xxxxxx    
                                               -------------------------------- 
                                                            Xxxxxx X. Xxxxxx    
                                                                                
                                                                   
                                                       /s/  Xxxx X. Xxxxx       
                                               -------------------------------- 
                                                            Xxxx X. Xxxxx