Use with following devices / Devices that has Mini USB Port;
TomTom ONE v4/v5/XL v2/IQ Routes/XXL/Classic
TomTom ONE v2/v3
TomTom START
TomTom ONE New Edition/Third Edition
TomTom ONE XL - all versions including IQ Routes
TomTom GO 520/530/720/730/920/930 including traffic/live versions
TomTom GO 630/GO 630 Traffic
TomTom GO LIVE 540/740/940