Bluetooth Shield: Connect to your Arudino via Bluetooth

Connect your Arduino via Bluetooth wireless technology for over-the-air reporting, control, and software updates. Pair it with your computer for the ultimate in convenient Arduino development! You can even link multiple Arduinos together via Bluetooth, with one acting as a master and the other as a slave. Pair it with your mobile phone to create a wireless sensor or control device.

• Easy Arduino support: no library needed!
• Onboard antenna
• Up to 10 metre range
• Master or slave mode
• Dimensions: 69(W) x 53(H) x 10(D)mm