RAM RAM：2GB； ROM：16GB. Support frequency band GSM： 850 / 900 / 1800 / 1900. Heart rate Zhanheng 1820. health Heart rate, blood oxygen, step counting. Watch case LDS. Head size 46.5 46.5 11.8mm. gesture Raise your hand to light up the screen and turn on the phone to start step counting.
RAM RAM：2GB； ROM：16GB. Data interface Pogo PIN 4pin USB. Bezel Stainless steel. health Heart rate, blood oxygen, step counting. WCDMA： B1 / B2 / B5 / B8. Function introduction. Gross weight 12.5kg. FCL quantity 50 units.
RAM RAM：2GB； ROM：16GB. Watch case LDS. gesture Raise your hand to light up the screen and turn on the phone to start step counting. LTE-FDD:B1 / B2 / B3 / B5 / B7 / B8 / B12 / B17 /B20. Function introduction.
RAM RAM：2GB；ROM：32GB. health Heart rate, blood oxygen, blood pressure, step counting. Watch case LDS. gesture Raise your hand to light up the screen and turn on the phone to start step counting. LTE-FDD:B1 / B2 / B3 / B4 / B5 / B7 / B8 / B12 / B17 / B20 / B28 / B66.
