Quantity   Component name
1 × 3 V Lithium coin cell CR3032 with soldering tabs http://www.rosebatteries.com/pdfs/Panasonic_Lithium_Hdbk_02-03_v1.pdf
1 × Surface mount piezoelectric pump https://cdn.hackaday.io/files/20913894741792/stainless_steel_piezoelectric_pumps_product_datasheet.pdf