CHIGU C1S UI Dynamic Design HR Monitor Smart Bracelet Watch

Specification Brand CHIGU Model C1S CPU NRF52832 Touch Screen 0.49inch IPS Resolution / Camera / bluetooth Version BT 4.0 or above Battery Capacity 90mAh Standby Time about 160 hours Using Time about 24 hours Charging Time about 2 hours(Use a 5V USB adapter to charge at least 2 hours for full charging) Features Call Reminder Support Phone Book / SMS,Message Reminder Support Schedule Reminder / Heart Rate Monitor Support Sedentary Reminder Support Sleep Monitor Support Activity Monitor(Step,Distance,Calories Measuring) Support Stopwatch Support Remote Camera Support Alarm Alert Support Anti-lost Alert / Alert Type Vibration Always Light-up Screen / Water Resistance IP67 Waterproof,Support to swim, wash hands and shower. But don't bath in hot water and don't operate in water. Phone Asistance Android Phone Support Android 4.3 or above Phone IOS Phone Support IOS 8.0 or above Phone APP Name Da Fit APP Language Russian,Italian,Japanese,French,Simplified Chinese,Traditional Chinese,English,Portuguese, Spanish,Arabic,Korean Appearance & Details Dial Shape Rectangle Dial Case Material Alloy Dial Diameter about 6.6 cm Dial Thickness about 0.9 cm Watchband Width about 1.7 cm Watchband Length about 23.5 cm, adjust range 13-19 cm Watchband Material TPU Package Included 1 X Smart Wristband 1 X User Manual 1 X Charge Cable Notice: Please install the apk/app firstly before purchase,in order to avoid not compatible with your phone. The picture is only for reference,please consider carefully before purchase.