Features: Highclear large screen design: 2.01inch IPS highclear large screen, colorful and agile operation, more convenient to view data, giving you a larger and clearer experience. Heat and coldresistant rugged case: The outdoor watch has a beautiful appearance and a rugged case, shockproof, waterproof, dustproof, and fearless of falling. Hidden TWS earphone design: Not only has excellent waterproof, sweatproof, and dustproof functions, but also perfectly integrates into the watch design when wearing and using, without affecting its aesthetics and practicality. New nano chip technology: single core dual mode dual call, only need a simple BT connection, strong movement ensures a strong smooth operation experience. Large battery: Equipped with a 345mAh large battery, the longlasting highperformance battery can stand by for 50 days and can accompany you for 15 days in daily use. Multifunction NFC: swipe access control, touch to reach the application, the new function NFC is online, touch the access control card simulation, lift the wrist to open. Various detection functions: 24hour scientific care for your health, heart rate, sleep monitoring, weather forecast, etc., all in one, you can check the corresponding records at any time, and the health situation is clear at a glance.   Specification: Optional color: Black Silver Appearance material: Alloy+PC Charging time: 23 hours Lifetime: 715 Day Waterproof Level: IP67 Chipset: JL7013 Compatible System: Above Android 5.0, Above iOS9.0 FLASH memory: 128MB Screen size: 2.01" Resolution: 240*296 Control Mode Full touch screen (explosionproof and scratchproof glass)+button+Encoder BT version: BT4.05.2 Heart Rate: HX3605 GSensor: DA267LGA12 Headset battery: 3.7V30mAh Watch Battery Capacity: 3.8V345mAh Playtime: 4.5hour Control Mode: Touch Charge Mode: USB cable Charging APP Language: Arabic､Bulgarian､Czech､Danish､German､Spanish､Finnish､French､Hindi､Croatian､Indonesian､Italian､ Japanese､Korean､ Norwegian､Dutch､ Polish､ Pashto､ Portuguese､Romanian､Russian､Swedish､Thai､Turkish､Ukrainian､Vietnamese､Chinese, English､traditional Chinese Watch languages( default 13): Chinese, Traditional Chinese, English, German, Korean, Spanish, Japanese, French, Russian, Arabic, Ukrainian, Italy, Portugal Bracelet size: 270mm*52mm*14.1mm Weight: 70g Package size: 154x98x28mm Package weight: 160g   Packing list: 1* Smartwatch with Earbuds 1* Magnetic charging cable 1* Manual