-Bluetooth 4.0
-Features: ibeacondata, but eddystonedata is optional
-Chipset: N51822256KB
-MCU: ARM
-Memory (RAM): 16KB
-Bluetooth range: 20-30min open air
-Battery type: CR2032
-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
-Working time: 12 months based on broadcasting rate 1second
-Size: 27*7.6mm
-Weight: 15g