Specification: CPU: Realtek8773EWE, 2.5D_GPU. Dual-core processor. Ultra-low power consumption. Memory: ROM 640KB+RAM (MCU：504 kB,DSP：308 kB), Flash 128M Bluetooth: BT5.3 Phone Call: Bluetooth Call, Strong anti-interference 4015 Microphone, 08x15 speaker Independent music player: Yes Music control: Yes Screen Size: 1.85" IPS, resolution 240*284 pixels all touch function Touch Screen: Full touch. AF (Anti-fingerprint) anti-fingerprint oil. Heart Rate Sensor: VC30F-S (Live body detection. All skin colors coverage, including white/yellow/dark/black) Gravity Sensor: STK8321 Flash: 128M Motor: Yes, Flat motor 0827 Connector: Charging clip Compatability: iOS9.0 Above / Android 4.4 Above Languages: English, German, Spanish, French, Italian, Portuguese, Arabic, Polish, Russian, Turkish, Indonesian, Thai, Czech, Traditional Chinese, Hebrew, Slovak, Romanian, Bulgarian, Persian, Slovenian, Ukrainian, Greek, Vietnamese, Hungarian and more are optional or customized made Sleep Monitor: Yes, sleep quality analysis Heart rate: Yes, All-day dynamic heart rate and data analysis with green light sensor Pedometer: Yes, ST, distance and calories burning Sports Mode: 100+ sports mode (Outdoor running, indoor running, walking, cycling, mountaineering, spinning, yoga, gymnastics, boating, basketball, football, swimming, skipping rope, badminton, table tennis, tennis, baseball (softball), volleyball, cricket, rugby ( American football), hockey, dancing, jumping, sit-ups...) Remote Control: BT music & BT camera AOD clock: No. Not support Always on Display Blood Oxygen: Yes, by red light sensor Menstrual Cycle: Yes, record Pregnancy Period Other Settings: Alarm, Find phone, Brightness adjustment, Mute setting, Reset, Power Off Notifications Push: WeChat, QQ, Instagram, YouTube, Messenger, Gmail, Snapchat, Facebook, Twitter, WhatsApp, Pinterest, Hangouts, Linedln, Skype, Tumblr, Viber, LINE, Google+, Flickr, VKontakte, KakaoTalk Reminders: Alarm clock, water clock, sedentary reminder, Pill Reminder, meeting reminder...(set on phone app) Data synced: Sport data and health detection data Waterproof: 1ATM waterproof Battery: 300mAh polymer lithium battery, 4.4V, Stanby time>25 days, Use time up to 12 days Case material: Ultra Light Aerospace Aluminum + PC Band material: Silicone Item net weight: 41g Item weight (product+box): 186g Sharp, clear, and colourful-the big, bright and bold 1.85” IPS Display makes every interaction a breeze. From checking messages to monitoring your heart rate, every detail pops, even under sunlight. Your well-being is our priority. The LUME smartwatch features 24/7 health monitoring, including heart rate tracking, SpO2 monitoring, sleep analysis, and more-helping you stay on top of your fitness and wellness goals. No more lag, no more waiting! The powerful dual-core processor ensures smooth navigation, quick app launches, and seamless multitasking. Whether you're tracking a run or switching between apps, the LUME keeps up effortlessly. 12 Months Local Manufacturer Warranty Store in dry cool place. China