Fingerbot-01 Bluetooth Smart Multi-Purpose Manipulator Buttons(White)

1. Material: ABS + electronic components
2. Power supply: button battery (included)
3. Remote control via mobile APP
4. Can be placed on any button
5. Instead of artificially achieving the purpose of use
6. Rugged and durable, long battery life
7. Weight: 38 grams
8. Size: about 3x3 cm