Bluetooth 4.0 Low Energy (BLE)
The Bluetooth Board is a breakout board for HM-10 BLE module powered by a TI CC2540. It is full programmable with CC-Debugger or SmartRF04EB.
Info about the BLE module can be found here: http://www.jnhuamao.cn/
HM-10 Datasheet can be downloaded from here: http://www.jnhuamao.cn/bluetooth40_en.rar
Info about the famous CC2540 can be found on TI website http://www.ti.com/product/cc2540&DCMP=LowPowerRFICs+Other&HQS=Other+OT+cc2540