gejian GT4

characteristic GPS Positioning，Compass，NFC，AI Voice Bluetooth Call，Altitude Pressure，Lingdong Island，Heart Rate，Blood Oxygen，Blood Pressure，Health Monitoring，Offline Payment，Wireless Charge. Pull down menu: Bluetooth switch, Do Not Disturb mode, brightness adjustment, one key lock screen, weather, power off, payment code, Tiktok, Alipay, constant light setting, NFC, setting, alarm clock, vibration switch, menu style, factory restoration.. Right slide: split screen (weather, sleep, heart rate, blood pressure, blood oxygen, music, common applications).. Left slide: Add small programs (heart rate, blood pressure, sleep monitoring, blood oxygen, exhalation training, step counting, weather, music, and body temperature monitoring). Call reminders, SMS, QQ, WeChat, Facebook, Twitter, LinkedIn, WhatsApp, LINE, Instagram, Snapchat, Skype, Gmail, and other applications..