The battery indicator is displayed on the home screen of your AXTRO Fit 4 fitness tracker. Charge when the indicator is low. The charging process takes approximately 2 hours.
Please use a good quality 5V, 1A USB power source to charge the fitness tracker. Using a high power USB power source or a power bank might damage the fitness tracker.
Do not over-charge the tracker as it will cause the battery performance to deteriorate over time. Any damage to the battery due to overcharging or incorrect power source will not be covered under warranty for exchange.