Feature:1. Long battery life standby, multi-dial switching. 2. Functions: Step counting, calories, distance, sleep monitoring, exercise mode, call reminder, alarm clock reminder, raise your hand to brighten the screen, social sharing (WeChat, QQ, Facebook, Twitter), etc.. Name: Watch Screen size: 1.70 inch high-definition color screen TFT 240x280 Screen Type: IPS HD TFT Bluetooth-compatible: 4.2BLE (low power consumption) Battery type: high density polymer lithium battery Battery capacity: 200mAh Charging method: Magnetic suction (with short circuit protection circuit) Charging time: about 3-4H Battery life: 7-15 days in use, 30-40 days in standby Control method: full-screen touch control, mobile APP control Main control chip: ultra-low power Nordic52832 Blood oxygen chip: Ti high-performance analog front section AFE4404+2 x 2703 PD+three-in-one LED Body temperature sensor: CT1711 array ECG chip: Ti chip 129 Photoelectric chip: Ti AFE4404 + dual 2703 Vibration: silent/vibrate Waterproof level: IP68 Compatible system: Compatible for Android 4.4 and above, Compatible for iOS 8.2 and above Features: independent and accurate blood oxygen, body temperature, electrocardiogram, respiration rate, blood pressure, heart rate, blood oxygen, AI medical diagnosis, remote care for relatives and friends Caring: families share real-time data Shell: metal alloy + stainless steel Bottom shell: PC+ABS+Medical 316 steel sheet Strap: Environmentally friendly TPU/leather strap Bracelet size: 255x36x10.8MM (length, width and height) Bracelet side language: Chinese, English, Traditional, Japanese, French, German, Italian, Spanish, Russian, Portuguese, Malay, Korean, Polish; APP language: Chinese, Traditional, English, Japanese, German, Russian, Italian, French, Spanish, Portuguese, Thai, Czech, Greek, Polish, Vietnamese, Turkish, Romanian, Hungarian, Danish English, Finnish, Arabic, Ukrainian, Hebrew, Persian, Irish, Slovak, Norwegian, Korean, Croatian, Swedish Packing list: Watch x 1 Charging Cable x 1 Operating Instructions x 1 Packing Box x 1 Note: 1. Due to manual measurement, please allow 1-3cm error. Make sure you don&#39;t mind before bidding. 2. Due to the difference of different monitors, the picture may not reflect the actual color of the product. Thanks. <div class="panel panel-info"><div class="panel-heading" style="font-weight:bold;">IMPORT: THIS ITEM IS SHIPPED FROM CHINA. PLEASE EXPECT UP TO 25 DAYS FOR DELIVERY</div></div>

N90 Smart Watch Square 1.7-inch Touch-screen Heart Rate Blood Pressure Blood Oxygen Waterproof for Huawei IOS Black