<br>Product Size 51.5*44*13.2mm <br>Case material Plastic+ alloy <br>Strap specifications 22mm silicone strap (removable and replaceable) <br>product weight 68g(including silicone strap) <br>waterproof level IP68 (30 meter waterproof) <br>Bluetooth distance 5--7 days (depending on the usage scenario) <br>Endurance 2.5H <br>Charging time Android 5.1 or IOS 8.2 or above supports Bluetooth 5.3BLE system <br>APP name FitCloudPro <br>23 languages (Simplified Chinese, English, German, Russian, Spanish, Portuguese, French, JapaneseArabic, Dutch, Italian, Czech, Greek, Hebrew, Indonesian, Malay, Polish, Thai <br>Vietnamese, Finnish, Romanian, Turkish, Croatian)"<br>CPU ATS3085L <br>RAM 481KB <br>ROM External 128Mb <br>heart rate chip VC30F-S <br>Accelerometer STK8321 <br>terrestrial magnetism support <br>Flashlight support <br>Altitude pressure support <br>GPS support <br>Bluetooth BLE5.3 <br>Display 2.01240*296 IPS Display <br>Physical button 1 (with encoder) <br>Touch Full screen touch <br>Battery 540mAh polymer battery <br>Charging mode USB magnetic charging <br>Built in dial Built in 6 dials, supporting customized dials and downloading dials <br>Basic function "Data, sports, sports records, weather, information, women, music <br>sidebar, stopwatch, timer, alarm clock, collection code, business card, calendar, calculator, search phone, camera"<br>Health management Exercise monitoring, sleep monitoring, heart rate monitoring, blood pressure monitoring, respiratory exercise <br>Sport mode 14 movement modes at the watch end, mass movement mode at the APP end <br>Conversation Dialing, frequently used contacts, call logs, voice assistant