Jet Tone T2B Classic Trumpet Mouthpiece

This mouthpiece is for me to flat and for a person who played his whole life with a deeper cup its quite hard to play because my lips start to feel tired very soon and after a while it hurts a bit so I need to take a break before using it again. The sound is very nice same as the quality and for some reason It was easier to play in the upper register rather I had to put a lot of effort to play pedal tones smooth. As for the tones, the mouthpiece its almost like it knows where is the spot to aim,its pretty easy to find them and if you can manage to execute special effects Im sure it wont be a problem. In case anyone is wondering I grew up on the "yamaha japan 14b4" mouthpiece.
It does not for work me because I have bigger lips and there is no much room to move them around. I would recommend to anyone who can play with a flat cup because the mouthpiece is very good but that all depends on the player.