["description:\n\n brand new, high quality\n\nfeature:\n\nBQ25570 is a highly integrated energy harvesting for nano power management solution, ideally suited to meet the specific needs of ultra-low power applications. This product is designed to efficiently capture and manage power from microwatts (μW) to milliwatts (mW) from a variety of different for DC power sources such as photovoltaic (solar), thermoelectric generators and piezoelectric modules.\n\nparameter:\n\nModule power voltage input: DC0.1V-5.1V\n\nOutput voltage BAT \\ OUTPUT: 2V-5.5V\n\nWorking environment temperature: -40 ° C ~ 85 ° C\n\nspecification:\n\nSize: 2.7x2.8cm / 1.06x1.10in\n\nColor: purple\n\nTransition: 1cm = 10mm = 0.39inch.\n\nDue to manual measurement, please allow 0-1 for cm error. Before you bid, make sure you do n’for t mind.\n\nDue to differences between monitors, the picture may not reflect the actual colors of the item. Thank you!\n\nThe package includes:\n\n1x converter (Other accessory demos are not included in the figure.)"]