Quantity   Component name
1 × Arduino mini pro 2 8Mhz 3.3v
1 × LIPO battery 240mah
1 × 0.96” I2C 128X64 OLED
4 × 3x6x2.5mm Push Button 2 Pin
1 × 0.06A Flat Micro Vibrator Motor
1 × TP4056 Micro USB LIPO charger (5V, 1A) External charger
1 × HM-10 Bluetooth 4.0 UART Transceiver
1 × 12mm piezo buzzer speaker