Description: Product NameVoice Calling Smartwatch ModelZeblaze Btalk 2 Lite Water ResistantIP68 ChipRealtek 8763e Display Size1.39'' Large IPS Color Display SensorWrist Heart Rate Monitor, Pulse Ox Blood Oxygen Saturation Monitor, Proximity sensor, Accelerometer. Battery Capacity220 mAh Li-pol battery. Battery Life Typical usage modesUp to 14 days Heavy usage modesUp to 7 days Coutinuous Voice CallingUp to 325 mins Charging TimeAbout 1.5 hours APP Name:Da Fit Smartphone Compatability:Android 4.4 or iOS 8.0 and above. WRISTBANDS MaterialDurable and comfortable fluoroelastomer strap. Width22 mm, Compatible with standard 22 mm quick release watch bands. Wrist Circumference130-235 mm Specifications: Voice Calling FeaturesVoice Calling, Dial Pad, Recent Call, Contact, Call Rejection, Voice Assistant. Theme StyleList View, Grid View. Clock FeaturesTime/Date, Stopwatch, Timer, Alarm. Health MonitoringWrist-based Heart Rate (Constant, Every Minute) , Daily Resting Heart Rate, SpO2(Blood Oxygen) Level Measurement, Blood Pressure, Breathing TrainingCycle Tracking, Sleep Score and Insights, Calorie Burn Tracking. Daily Smart FeaturesSmart Notifications(Call, Text, Gmail and Smartphone App Notifications), Weather Sync(Check weather in the next four days) , Controls Smartphone Music and Camera, Find My Phone and Watch, Do Not Disturb Modes, Sedentary alert. Calculator, APP Download. Activity Tracking FeaturesActivity Record, Step Counter, Standing, Move Bar (Displays on device after a period of inactivity of inactivity; Walk for a couple of minutes to reset it), Auto Goal (Learns your activity level and assigns a daily step goal), Calories Burned, Real-time Pace & Distance. Other Functio