MIOPS Smart+ comes with a rechargeable and replaceable battery which lasts up to 4 days with a single charge. The battery will be charged when you connect MIOPS Smart+ to a USB power source. You can use your computer USB port for this purpose.
You can power MIOPS Smart+ directly from the USB port even if the battery is not attached into the device.
Warning: Using MIOPS Smart+ with other type of battery and power source may harm your device.