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Hardware category * Main chip: Realtek 8762C+BK * Acceleration sensor: Lanwei SC7A20 * Heart rate: Tianyi Hexin 3300 high-precision hand-rate module, hand-rate detection + high-pressure detection * Screen: IPS true color screen * Screen size: 1.28 inch round screen * Resolution: 240x240 * Blood pressure: blood pressure measurement * Blood oxygen: blood oxygen measurement * Dynamic heart rate: exercise heart rate curve * Touch: full touch * Key: switch machine key + return key * Ambient temperature: working temperature 10-50 degrees * Charging: Clip charging cable * Bluetooth; Bluetooth LE 5.0+3.0 * Battery capacity: 200MA use about 4-7 days, theoretical standby 30 days, fully charged in 2 hours System software category * Andiord system: Support Android 4.4 and above * IOS system: Apple IOS9.0 or above * Pedometer/calories: support * Sleep monitoring: support * Vibration motor: support * Alarm reminder: Support * Incoming call rejection: Support * Incoming call answering: support * Bluetooth call: support * Music player: support * Screen brightness adjustment: support * Weather synchronization: connect to APP to synchronize * Contact synchronization: 8 contacts can be synchronized * Bluetooth dialing: dial directly from the watch * Harassing call; built-in harassing call display * Stopwatch: Support * Multi-sports modes: walking, running, riding, skipping rope, basketball, swimming, badminton, football, 8 sports modes * Sedentary reminder: Support * Drink water reminder: Support * Incoming call reminder/SMS reminder: Android, IOS push incoming call and message content * Other pushes: SMS WeChat QQ Twitter Facebook and other 10 kinds of pushes, all pushes are optional * WeChat sports: Join the WeChat sports ranking (private WeChat public account can be customized) * Dynamic heart rate: dynamic heart rate histogram display and analysis * Remote camera: click, shake * Dial selection: Three fixed dial selections, plus a custom dial, plus an online massive dial selection * Remote control music: control the phone player to pause the previous song, the next song * Air upgrade: support * multi-lingual: Watch icon language: Simplified Chinese, Traditional Chinese, English, French, Spanish, Japanese, Russian, Portuguese App languages: Simplified Chinese, Traditional Chinese, English, German, French, Spanish, Korean, Japanese, Russian, Ukrainian, Arabic, Portuguese, Italian APP:Da fit