- Button Block
- Bluetooth Chip and Rechargeable Battery Included
- Recharge with Micro USB Charging Cable
The Sam Labs Button Block is a powerful and efficient switch to power up inventions. Students can use it to make a tune on a Buzzer, as a smart doorbell or to build an instant pizza button. This wireless block has a Bluetooth chip and rechargeable battery inside it that can be recharged with a micro USB charging cable.