The waterproof smartwatch-style remote is also available as a spare part and comes with a standard Velcro wristband. With this watch, you can monitor the following parameters: Speed level: 0 - 7 - Battery status of the Foil Assist Battery status of the remote control Connection status: Check at a glance whether your remote control is connected to the batteries. Setting: See whether your remote control is set to Standard Mode (5 speed levels, energy-saving) or Boost Mode (7 speed levels, energy-intensive). Lock: The lock symbol indicates whether the remote control is locked or unlocked. The watch features a power button on the right side and a connector on the underside, allowing for easy connection to the charging or ring cable.