Parameters: Support System: Android 4.4 or above, IOS 8.0 or above, Bluetooth 4.0 or above Reminder: Built in, vibratng reminder Battery support: Stand By about 15 days, working about 7 days Device size: 235mm * 40.5mm * 11mm; With 0.95 inch OLED screen Main Function: – Heart rate detection / Blood oxygen detection / Blood pressure detection, Sleep detection (Sleep time ,Sleep quality) – Time, Pedometer, Calorie Consumption, Distance Calculation, Sleep time, Off dispaly – Fitness Tracker, Standard exercises functions (Pedometer, Calorie Consumption, Distance Calculation) – Calls reminder, SMS Reminder, Third-party messaging reminder: Multilingual push( Facebook, QQ, MSN, Wechat, Whatsapp, Twiter and so on), Clock alarm – Task Reminder (Sedentary reminder /Drink water reminder) Language: -Smart Device Language:Chinese, English, Korean, German, Spanish, Japanese, French, Italian, Russian, Portuguese, Arabic -App Language:Chinese, English, Korean, German, Spanish, Japanese, French, Italian, Russian, Portuguese, Arabic About Shipping: I suggest the EUB and Aliexpress Standard Shipping,Usually,you can receive the Package in 15-35 days(Except Brazil,Brazil Usually needs 25-45 days). If it is a European country,usually,you can receive the package in 15 days. If you choose other shipping way,usually,it will takes 15-60 days. About the product: If you want to know more details about the product, Please feel free to contact with me,I will try my best to solve that problem. Before sending it out,i will check every product by myself. So if there is any quality problem about the product, Please contact with me firstly. About Dropshipping: I’d like to cooperate with dropshipping buyer. I can sell almost all the products you can find on the aliexpress(except some famous brands) If you need some particular products, Just give me the pictures about the product,I will find that and provide an competitive price For you.Especially about the Men Women Apparel.