CPU MTK6761 Display screen 2.88 "TFT touch screen Rectangular full touch Resolution 480*640 RAM/ROM 4G+64G SIM card Nano SIM The internet 2G/3G/4G system Android 11.0 Frequency band GSM 850 / 900 / 1800 / 1900 WCDMA B1/B2/B5/B8 TD-SCDMA B34/B39 LTE-FDD:B1/B2/B3/B5/B7/B8/B12/B17/B20 LTE-TDD:B38/B39/B40/B41(100MHz) camera 2 million pixels, 8 million pixels Bluetooth 5.0 Heart rate sensor Tianyi Hexin hrs3300 battery 2300mAh wifi Support 2.4g/5g GPS GPS+Go Bluetooth effective distance >10m (open environment) Battery life 3 days charging method Magnetic charge Charging time 3 hours Material technology Watch case Zinc alloy button 2 Strap material Silicone strap Head size 77.2*53.6*15mm Strap size 32mm width, total length 288mm, adjustment range 190-270mm Product specifications packing list Smart watch*1, strap*1, magnetic cable*1, screwdriver*1, manual*1 Manual language Chinese and English Stand-alone weight 132g Product gross weight 255g Package Size; 105*105*79mm FCL quantity 50pcs Carton size 555*230*425mm Gross weight Function introduction Product Features It supports the manual selection of language on the watch, answering and making calls, WIFI, GPS, phonebook, sending SMS, downloading app, video call, photo taking, alarm clock, calendar, calculator, recording, local music playing, weather, voice search, step counting, heart rate, multi exercise mode, stopwatch, holding up the hand to light the screen, changing the dial, etc Support language Chinese version Foreign versions of Chinese, English, German, Spain, French, Indonesia, Italy, Netherlands, Norway, Poland, Portugal, Vietnam, Turkey, Greek, Russian, Ukrainian, Hebrew, Persian, Arabic, Thai, Korean, Mangala, Hindi (this is a more accurate translation language) the other 100 languages are not translated Very accurate Full-time display 1)Date, week, clock and minute (real time display); 2) Time system: 12 / 24-hour dual system; 3) After the mobile phone app Bluetooth connection, the watch automatically reads the mobile phone time, date, format and synchronizes. Walking movement monitoring 1) Accurate monitoring of walking (steps), physical expenditure (calories), walking distance (km);