Specification1. Exterior Specification2. Hardware SpecificationProcessor 32-bit ARM® Cortex™-M0(nRF51822)Operating Temperature 50°CDisplay LED BLUE and REDMemory Int.ROM : 256KB, Int.RAM : 16KB, Ext.Flash : 64KBSensor 10bit,digital,triaxial acceleration sensor(BMA250)Bluetooth Bluetooth low energy 2.4GHz RFSwitch Tact switchBattery Lithium-Polymer 110mA, 4.0x12x30mmBattery lifespan 7 daysPower consumption Active(ON) : 0.84mA / Sleep (OFF) : 0.04mA3. Other Specification Smartphone compatibility O/SiOS 8 or higher / Android 4.4 or higher Manufacturing Date / CountryApril 2016 / KoreaSize (W x L x H) 80 X [105~160] X [100~170]mmWeight 25gColor BlackMaterial Sensor: ABS, PC / Leg: SiliconUI LED with 3