F2 has one built-in battery inside the speaker.
Charging and play times
The speaker can be used for approximately 15 hours on one charge.
The battery takes approximately 4 hours to fully charge. F2 does not support quick charge.
Charging methods
F2 can only be charged with a Type-C USB-cable. We recommend using the Sudio cable included in the package, however, other third-party Type-C USB-cables may be compatible too.
Battery level indicators (no cable inserted)
- White: 26-100% battery remaining
- Orange: 0-25% battery remaining
Battery level indicators (with cable inserted and charging)
- White (fixed): 100% battery charged
- Orange/White blinking: 0-99% battery charged