Specification Model V7 CPU Dialog DA14585 Touch Screen 0.96 Inch TFT Screen Resolution 80*160 Camera / Bluetooth Version BT 4.0 or above Battery Capacity 80mAh Standby Time about 160 hours Using Time about 240 hours Charging Time about 2 hours(Use a 5V USB adapter to charge at least 2hours for full charging) Features Call Reminder Support Phone Book / SMS,Message Reminder Support Schedule Reminder / Heart Rate Monitor / 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 7.1 or above Phone APP Name JYOU APP Language Simplified Chinese,Traditional Chinese,English,Japanese,Spanish,Korean,German, Russian,Italian,French Appearance & Details Dial Shape Rectangle Dial Case Material Alloy Dial Diameter about 2.5 cm Dial Thickness about 0.9cm Watchband Width about 2 cm Watchband Length about 25 cm Watchband Material Silicone 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.