Rainbuvvy DM82 4G Android Phone Watch 1.75inch AMOLED 2GB RAM 16GB ROM Quad Core 5MP Full Netcom 1520mAh Long Standby Touchscreen Smartwatch

Model name: DM82 CPU: SL8541E  Arm Cortex-A53 Quad-Cord CPU Display: 1.75inch AMOLED round screen, DPI:466*466 Flash Memory: 2GB RAM+16GB ROM (DDR3) Touch Screen: Capacitive touch screen, ON CELL technology Heart Rate Sensor: support\HX3918，Heart Rate、 blood oxygen Camera: Supports pull-out rotating camera, supports automatic switching of taking pictures front or back Pedometer: support/triaxial accelerometer RF Frequency Bands: GSM：B2+B3+B5+B8 WCDMA ：B1+B2+B5+B8 LTE-FDD：B1+B2+B3+B4(66)+B5+B7+B8+B12+B17+B20+B28F LTE-TDD：B34+B38+B39+B40+B41(100M) WIFI: Support 2.4GHz,Support 802.11b/g/n BT: Support 4.2 GPS: Support GPS+GLONASS/BeiDou Shell Materials: plastic case+LDS antenna Bottom Shell: PC with Two-color injection molding and alloy decorative elements Strap Materials: replaceable straps/Silicon Colour: Black/Blue/Gray/Orange Battery: 1520mAh large capacity polymer battery Button : Two keys,One Power key,One Back Key Charging: Customized round base magnetic charging SIM Type: Support Nano SIM card, to be inserted from watches' side Speaker: 0615 Speaker Mic: Support Motor: Support 0720 motor Waterproof: IP67 OS : Android 8.1