-Bluetooth 4.0
-Features: ibeacondata, but eddystonedata is optional
-Chipset: N51822256KB
-MCU: ARM
-Memory (RAM): 16KB
-Bluetooth range: 40m
-Powered by: USB adapter
-Operating voltage: 1.8v -3.6v
-TX Power -20 to +4 dBmin 4 dB steps
-TX Power -30 dBmWhisper mode
-Working current: 3.6μA standby average,
-21μA normal average
-Certifications: FCC/CE/MFI/RoHS
-Side Pins for debugging: VCC, GND, SWDCLK, SWDIO
-Housing size: 19*15*6mm
-Weight: 5g