Bluetooth Bee Wireless Module for Arduino Projects Wireless Master or Slave Bluetooth Module
This is a Bluetooth Bee wireless data transmission module which uses the XBEE platform design. Plugs in directly to a XBEE base, it is suitable for all kinds of 3.3V of the SCM development baord. With an efficient on-board antenna, it offers improves signal quality.
Please don't use more than 3.3V power supply as it may destroy module.