The Xiaomi Robot Vacuum S40 does not support multiple connections. However, the device can be shared with others. You can share it in the Mi Home/Xiaomi Home APP.
To share the device, please refer to the following steps:
1. Open the Mi Home/Xiaomi Home APP;
2. Choose the [Xiaomi Robot Vacuum S40] card;
3. Tap the three dots in the upper right corner;
4. Choose [Share device].
Note:
The shared Xiaomi Accounts can perform basic device operations and settings (start, pause, end cleaning, adjust suction and water volume) on the device.