Abstract: A boxing training device (1) for using with a punching bag (31) includes at least one sensor (61) to measure punches, feedback equipment (5) for giving feedback to a user, and control equipment (6) for controlling the device. The device further includes signalling equipment (4) in order to give signals to the user, a central processing unit (3), a power source (66) and a belt (2) including pockets (9, 10).