B57 Unisex Smart Wristbands Android iOS Bluetooth Waterproof Touch Screen Heart Rate Monitor Blood Pressure Measurement Long Standby ECGPPG Pedometer Activity Tracker Sleep Tracker Sedentary Reminder

Model:B57; Gender:Unisex; Languages:English,Ukrainian,Arabic,Korean,Italian,Simplified Chinese,Japanese,Spanish,French; What's in the box:User manual - Chinese; ROM:32MB; Screen Type:IPS; Sensor:Heart Rate Sensor; Supported Operating Systems:Android 4.4 and iOS 8.0 or above; Connection:Bluetooth; Standby Time:200-250; Capacity:180; Type:Smart Wristbands; Screen Size:1.3; Fitness & Wellness:Community Share,Sleep Tracker,Activity Tracker,ECGPPG,Sedentary Reminder,Pedometer; RAM:32MB; Charging Time:3; Compatibility:Android iOS; Water Resistance Depth:10; Waterproof Level:IP 67; Features:Heart Rate Monitor,Long Standby,Touch Screen,Anti-lost,Waterproof,Blood Pressure Measurement; Listing Date:03/19/2020; Production mode:External produce; Instructions:Chinese,English; Special selected products:COD