... capacity: DDR128MB, Memory 4GB, support TF card expansion Basic functions: GPS, EDOG, MP3, MP4, games, etc. Storage capacity: DDR128MB, Memory ... A5Storage capacity: DDR128MB, Memory 4GB, support TF card expansionBasic functions: GPS, EDOG, MP3, MP4, games, etc.Main features: 5. ... 0-inch digital screen 800 * 480Data permanently fixed electronic dog free upgrade updateKay Rucker 3D stereo HD Live ...