Quantity   Component name
1 × Attiny85 SOIC
1 × KMTG-1002 speaker
1 × BC847 Discrete Semiconductors / Transistors, MOSFETs, FETs, IGBTs
1 × R1 4k7 1206 resistor
1 × R2 2k2 1206 resistor
1 × R3 jumper (piece of wire is fine)
1 × C1 100nF 1206 capacitor
1 × C2 22uF 1206 capacitor