HAMTOD GT4 Pro 1.47 inch TFT Screen Smart Watch, Support Bluetooth Call / Heart Rate / Blood Oxygen Monitoring(Silver)

Features1.1.47 inch ultra clear large screen, ultra narrow frame, the best screen selection of round screen style, and the ultimate visual level. 2. High definition Bluetooth call, which also solves the problem that the mobile phone voice will come out from the watch in non call situations. 3. Long endurance. 4. Dial market. 5. Dynamic heart rate, running can also be accurately measured. 6. True blood oxygen can be verified (the oxygen value of suffocated blood will decrease). 7. It is truly IP67 waterproof, with a water depth of 1 meter for 30 minutes. There is almost no wading problem after sales. 8. The original patented products with private mold appearance are not afraid of going to various sales platforms. 9. Liquid silicone strap. Turn off the rubber effect. No greasy, no dust.SpecificationsBasic Specifications 1. Product dimension: 47mm*D10.8mm 2. Appearance finish technology: 2.5D glass cover+vacuum electro galvanized alloy+plastic bottom shell&acrylic; electroplated lens+silicone strap 3. Product weight: 42.5g(Without watchband) Hardware Specifications 1. CPU: Goodix 5515 2. Memory: RAM256KB+ROM1024KB+Flash 128Mb 3. Display: 1.47 inch IPS TFT resolution: 412x412 4. Touch screen: G+F capacitive full touch screen 5. BT: BLE Ver 5.1 and BT3.0 6. Heart rate sensor: Yes, Support dynamic heart rate, measure 36 grade black skin; PHX 8009 7. Blood oxygen sensor: Yes 8. Battery: 220mAh polymer lithium ion battery; pure cobalt, Seiko protection board. 9. Duration of endurance: Bluetooth connection Standby: About 30 days; Normal use: About 5~7 days. 10. Triaxial G-sensor: Yes 11. Motor: Yes 12. Mic: Yes 13. Speaker: Yes 14. Button: Power button & function button,Support rotation button 15. Encoder: Yes 16. Charging mode: Magnetic charging wire; DC5V--150mA 17. Protection grade: IP67 (1m water depth, 30 minutes??? 18. ESD: Contact 4KV, Air 8KV Main functions 1. Clock display: Yes 2. Multiple dial: Yes 3. Mobile app message notification: Yes,Include message,QQ, Wechat, Twitter, Facebook ,linkedIn,Skype,Whatapp,Line,Viber,instagram and other instant messages 4. Call reminder: Yes 5. BT call: Yes 6. BT music: Yes 7. Heart rate monitor: Yes 8. Blood oxygen measurement: Yes 9. Blood pressure / ECG measurement: Yes 10. Stress index: Yes 11. Menstrual cycle: Yes 12. Pedometer: Yes 13. Sleep monitoring: Yes 14. Multi Sports mode: Support for walking, running, cycling, mountaineering, badminton, basketball, table tennis, rope skipping, yoga, etc. 15. Sedentary alarm: Yes 16. Firmware multilingual: English, Simplified Chinese, Russian, Spanish, German, Italian, French, Portuguese, Polish, Dutch, Greek, Turkish, Hebrew, Czech, Slovak, Hungarian, Arabic, Finnish, Indonesian, Malaysianetc. 17. Other functions: Alarm clock, stopwatch, countdown, do not disturb mode, raise your wrist to brighten the screen, find your mobile phone, take pictures remotely, etc. 18. APP: Youth Health 19. Smart phone OS supported: Android 7 or above, IOS 9.0 and above