Thanks for your interests in AXTRO Fit 2. You can purchase it from our official online store:
AXTRO Fit 2 - https://www.axtrosports.com/products/axtro-fit-2
AXTRO Fit 2 Replacement Strap - https://www.axtrosports.com/products/axtro-fit-2-special-accessory-strap-black-red
AXTRO Fit 2 Charging Cradle - https://www.axtrosports.com/products/axtro-fit-2-magnetic-charging-cradle
Also, it is available at our physical retail store located at
10 Ubi Crescent
#03-22 Ubi Techpark (Lobby B)
Singapore 408564
Tel: 6323 9268 (Press 1)
Operating Hours: Weekdays 9 am to 6 pm. Closed On Weekends & Public Holidays.