Main Functions ● 24 hours continue Heart rate detection, Blood pressure test. ● Time / clock display, step, calories, distance, switch on/off display. ● Multiple sport mode (running, swimming, riding, climing, basketball, football,walking, batminton). ● Sleep monitoring (sleep time, sleep quality, stay up late). ● Call reminders, SMS reminder, qq reminder, micro reminder, Skype, facebook, whatsApp reminder. ● Find the phone and find the bracelet, WeChat sports, turn the wrist bright screen, stopwatch. ● Alarm clock / medication / meeting / sedentary / drink reminder. ● Remote control camera (shake shake to take pictures). ● Friends and relatives of the movement, measurement data mutual investigation. Specifications: Normal use time: 5-7days Strap size： 120-200mm Screen resolution: 80x160 Charging time is about 2 hours Memory ：7 days detailed exercise record Strap: Stainless steel PPG chip: HRS 3300 Sensor: G-sensor Bracelet showing ：international icon Battery type: lithium battery 120mAh Appearance material top shell: alloy Control mode: touch button control, APP control Chip: NRF52832 Bluetooth ：4.0 (low power consumption) Compatible system: for Android 4.4 and above, for IOS 8.0 and above. Standby time： 12-15 days APP ：supports languages: English, French, German, Italian, Japanese, Korean, Malay, Portuguese, Russian, Spanish Waterproof index: IP67 Charging type：USB charging RAM: 64K(Flash 512K) Screen size： 0.96 inch IPS HD color screen Important Questions: 1. Question: What is its APP name? Answer: Its APP name is WearHeart, APP connects to mobile phone Bluetooth, you can implement call reminder, SMS reminder and social reminder, such as QQ reminder, WeChat reminder, Skype, facebook, whatsApp reminder, etc. 2. Question: Does it support swimming? Answer: Its waterproof rating is IP67 waterproof, can only be worn for daily washing, can not wear a bath or swim, can not touch in the hot water. 3. Question: What is the system it supports? Answer: It supports Android system 4.4 or above, iOS system 8.0 or above, support bluetooth 4.0. Packing-list: 1* H8 Smart Bracelet 1* User Manual 1* USB Cable Note: This Bracelet doesn't support weather shown in the bracelet for foreign version.