a) 1* device + 2* brush heads + 1* USB cable + 1* user manual in a color box b) 1* device + 2* brush heads + 1* USB cable + 1* user manual + 1 holder in a color box c) 1* device + 4* brush heads + 1* USB cable + 1* user manual + 1* holder + 1* case + 1* head cover in a color box