B-Active interchangeable fitness tracker Time step counter distance stride

B- Active interchangeable fitness tracker. Functions: time step counter to 99999 distance stride and calories burned. 6 interchangeable bands in yellow multi white pink and black. Features bright 5 number lcd display. Two buttons for mode Adjust and set. Rest. Instructions included. No app needed just batteries (1.5V). No charging necessary. Good pre-owned condition. 947