Features: 1.Heart rate detection 2. Display Health Parameters This Smart Bracelet can display the time, steps, distance and calorie clearly. Let you know your sports data right now! 3. Sync Sports Data When bluetooth paired, you can sync your data to Andriod Phone ( OS must be 4.3 or above and Bluetooth must be V4.0 ) and ios phone ( ios must be 7.0 or above and Bluetooth must be V4.0 ). It gives you real-time assessment of your exercise throughout the day. 4. Comfortable adjustable Wristband and Light Weight The wristband is adjustable, you can adjust it to fit your wrist. The perimeter is between 5.1in to 7.5in. It is just 20g! So when you wear it, you even won& #39;t feel it! You can work and exercise ordinarily. 5. Remote Capture You can take photos of whole family without other help, just shake your smart bracelet. for Andriod Phone ( OS must be 4.3 or above and Bluetooth must be V4.0 ) and for ios phone ( ios must be 7.0 or above and Bluetooth must be V4.0 ) 6. Anti-lost Function Anti-lost function confirms the relative distance between the cellphone and the smart bracelet, if the separation distance esceeds the safe distance, the alarm system will activate. 7. Smart Alarm Built-in vibration mode, a vibration remind alarm that gently vibrates to remind you at your desired time without disturbing your partner. 8. Call SMS Reminder for Andriod Phone ( OS must be 4.3 or above and Bluetooth must be V4.0 ) : When you have calls or SMS, the smart bracelet will vibrate and display caller ID to remind you. for ios phone ( ios must be 7.0 or above and Bluetooth must be V4.0 ) : When you have calls, the smart bracelet will vibrate to remind you. 9. Sleep Monitoring Accutately monitor total effective sleeping time and motions every night ( including light sleep and deep sleep ). Specifications: Bluetooth: V4.0 BLE LED: 0.66in OLED Materrial: TPU + ABS Battery: Lithium Ion polymer battery Capacity: 3.7V 60mAH Standby Time: 7-10days Language: English ,Russian ,Japanese ,Chinese ,Korean, Ukrainian ,German ,French, Italian ,Spanish Included: 1 x Clock dial 1 x Watch strap 1 x Manual I hope you have a good shopping