Model:B6695SF77850FH461 External dimensions 260*46*11 mm (total strap length*case diameter*thickness) Colours Silicone: black/blue/red; Strap: black/brown; Steel: black steel/silver steel; Traditional strap: black/silver Weight 55g Bluetooth BLE 5.0 Talking Bluetooth BLE 3.0 Water resistance IP67 Main control chip HS6621, 128M flash, Centronics talking chip Acceleration sensor SC7A20 Heart rate module SC7R30, 128KB+1M, red+green light module Support dynamic heart rate/blood pressure/blood oxygen detection Display Type:1.28" pure round colourful display Touch Screen:Full Touch Resolution 240*240 pixels Battery Type: Li-polymer battery Battery capacity: 260 mAh Charging time about 60 minutes Working time: 5-7 days Standby time approx. 30 days Material Zinc alloy case / plastic + eco-friendly silicone strap / leather strap / metal strap Operating temperature -20C ~ 50C Vibration motor Support Heart rate chip Support Motor Built-in, vibration alert Product Features Key features Split screen, password lock Receive/dial calls Mobile phone connection for answering calls and listening to songs Heart rate monitoring Blood pressure/oxygen monitoring Sleep monitoring Exercise pedometer/calorie burn/exercise time Incoming call alert and display Message push and display Remote photo taking Automatic heart rate test Multi-exercise mode Sedentary reminder Alarm clock setting Standby interface Default 5 dials, APP can be customized to choose APP support languages Chinese, English, Chinese [Traditional], Japanese, Korean, French, German, Russian, Polish, Spanish, Portuguese, Dutch, Arabic UI Support languages Chinese, English, French, Spanish, Portuguese, Russian, Polish and 23 other languages Push messages in Chinese, English, French, Spanish, Portuguese, Russian, Polish and 23 other languages Supported mobile systems Android 4.4 and above, IOS 8.4 and above This watch can make a phone call:This watch can make a call. It can connect with your mobile phone through BT, check the call record at the watch end, and select answer, reject or mute when an incoming call is made.Instant messaging know in time:Important information, know in time. Raise your wrist and gently touch the watch screen. The upcoming schedule can also be displayed one by one on the watch screen to easily master the pace of life.Clock dial,good-looking and fun:This watch has a variety of new dials. In addition, there are a variety of personalized dials on the market, including a variety of dynamic dials. Not enough? Then import your favorite pictures from your mobile phone, DIY.Multiple motion modes:Make a little progress every da,A variety of conventional special modes, Walk, run, ride... Challenge your love.Have fun with trendy sports.It has all the convenience you want:Open a convenient new life, information calls, weather and other situational intelligent reminders, better graspthe pace of life, and be able to handle complicated work.Add energy to your life.