Green light heart rate sensor more accurate heart rate detection. WiFi Support both 2.4G/5G. 4G network, experience high-speed internet surfing. 4G LTE-FDD：B1+B2+B3+B5+B7+B12+B20. Microphone Yes. Information push reminder to prevent delayed viewing of important information. Leia Mais
DM19 4G phone watch. Screen size. MTK6739 1.25GHz,Quad Core. 4G Single SIM(Nano SIM). Single SIM Card Slot. Network Frequency. Dual-band(2.4GHz/5GHz)single stream802.11a/b/g/n MAC/BB/RF 802.11d/h/k compliant. Leia Mais
3GB RAM and 32GB ROM/ 1GB RAM and 16GB ROM(Optional）. WiFi Support both 2.4G/5G. 4G network, experience high-speed internet surfing. 4G LTE-FDD：B1+B2+B3+B5+B7+B12+B20. Green light heart rate sensor more accurate heart rate detection. ). Leia Mais
3GB RAM and 32GB ROM/ 1GB RAM and 16GB ROM(Optional）. WiFi Support both 2.4G/5G. 4G network, experience high-speed internet surfing. 4G LTE-FDD：B1+B2+B3+B5+B7+B12+B20. Green light heart rate sensor more accurate heart rate detection. ). Leia Mais