Chip:RTK8762DK Display:1.69inch, 240 x 280 square screenG-SENSOR:CS7A20 Heart rate:HRS3300Power connector:Thimble card socket chargingVibration motor:0827 Wire Welding MotorBluetooth:BT4.0/5.1Touch:COF full tou-ch full sticker screen HAIQU 816DCall:JL AC6963ABody temperature:CT1711(+/-0.1~0.2)Compatible system:android5.0+/IOS9.0+Wristband support language:Simplified Chinese, Traditional Chinese, English, German, Korean, Spanish, Japanese, French, Russian, Arabic, Ukrainian, Italian, Portuguese.Package Dimensions：6.42 x 3.74 x 0.90 inches Product size：2.09inchx1.42inchWatch weight:0.11L-BSFull set weight:0.34L-BSCOMPA-TIBILITY: support Android 5.0 and above; Apple ios 9.0 Version aboveCompability Software：working with google fit and health kitMemory: French, French, Portuguese, Spanish, SpanishApp Sports Management: 3 KIN-GS spring type, two-way linkage of APP sports, bracelet sports and app bracelet15 KIN-GS sprint model: indoor running, outdoor running, outdoor cycling, walking, free exercise, elliptical machine, mountaineering, rope skipping, weightlifting, yoga, basketball, football, tennis, badminton, table tennis8 KIN-GS sprint date: steps, exercise time, GPS track, calories, PA-CE, exercise heart rate tracking, step frequency and altitudeWatch face market: five dials by def-ault and one customized dial, which can be downloaded through the dial marketApp multi language support: Simplified Chinese, traditional Chinese, English, Japanese, French, German, Spanish, Italian, Portuguese, Danish, Russian, Czech, polish, Thai, Swedish, Finnish, DUTC-H, Korean, Ukrainian, Turkish, Hebrew, Arabic, HindiOthers: voice broadcast, GPS motion automatic pause, motion his-toryNotification: For