FM transmitter and charger assembly for MP3 players with different sizes

A FM transmitter and charger assembly for a MP3 player, comprising

• a primary member having a first locating portion on a front thereof for supporting a MP3 player thereon;
• the first locating portion being formed with a fitting trench on a front side thereof;
• the primary member having a second locating portion on the front;
• the first locating portion having a connecting unit secured thereon for connection to a socket of a MP3 player when the MP3 player is located on the first locating portion;
• the second locating portion having a first power plug and an audio source plug secured thereon;
• the primary member having a second power plug secured on a rear thereof and electrically connected to both the first power plug and the connecting unit;
• the connecting unit being electrically connected to the audio source plug;
• a securing member for holding a MP3 player therein as well as for securing the MP3 player to the first locating portion of the primary member;
• the securing member including:
• (1) a hollow holding part for the MP3 player to be closely inserted therein;
• (2) an engaging plate connected to a rear side of the hollow part and capable of being detachably fitted into the fitting trench of the primary member;
• a FM transmitting device detachably connected to the second locating portion of the primary member;
• the transmitting device having a power socket, and an audio source socket for connection to the first power plug, and the audio source plug of the primary member respectively;
• the FM transmitting device being made so as to be capable of transmitting audio signals wirelessly, which are transferred thereto from a MP3 player connected to the connecting unit of the primary member, thus allowing a radio to receive the audio signals, and play music accordingly after the radio is tuned to a same channel as the FM transmitting device;
• whereby a MP3 player can be secured to the primary member when the engaging plate of the securing member is fitted into the fitting trench of the primary member after the MP3 player has been closely inserted in the hollow part of the securing member.