DT3 Smart Watch Men 1.36inch 390*390 HD Screen IP68 Waterproof Retina Phone Call ECG+PPG Smartwatch Wireles Charger

Parameters: Chip: RTL8762DK. Andiord OS: Supports Android 4.4 and above. IOS: iOS 8.0 and above. Heart Rate Sensor: Zhangheng BD1662_I2C. BT: BT 5.0 Bluetooth Audio 3.0. Waterproof Level: IP68 Please do not use it in deep/slat swimming and hot shower). Screen size: 1.39-inch full round. Screen Resolution: 390*390. Screen type: retina HD IPS full view color screen. Battery Type: Lithium Battery. Battery capacity: 280mAh. Charging method: Wireless charge. Charging time: About 3h. APP: Wearpro. APP supported languages: English, German, Russian, Spanish, Portuguese, French, Japanese, Italian, Polish, Korean, Arabic, Persian, Thai, Vietnamese, Traditional Chinese, Danish, Greek, Latin, Romanian language. Turkish, Hebrew, Czech. Watch supported languages: English, Danish, Greek, Latin, Romanian, Turkish, Hebrew, Czech, Polish, Spanish, German, Russian, Portuguese, French, Japanese, Italian, Vietnamese, Korean, Arabic, Persian, Thai. Main Functions: Rotary button. Customize watch face. PPG+EC