M37 Smart watch Features:

• Model: M37
• Bluetooth Version: BT 4.0
•  Compatible OS: Android 5.1 or above , iOS 8.0 or above
•  Operating Mode: Full Touch Screen
•  APP Name: DIRI FIT
•  Language: Chinese, English, Japanese, French, German, Russian, Portuguese, Dutch, Spanish, Italian, Thai
•  Waterproof: IP67 waterproof
•  Heart Rate Monitor: Support
•  Blood Pressure Monitor: Support
•  Blood Oxygen Monitor: Support
•  Female Physiological  Remind: Support
•  Sleep Monitor: Support
•  Multi-sport Modes: Support
•  Pedometer: Support
•  Call or Message Reminder: Support
•  Call ID Display: Support
•  Reject Call: Support
•  Notification: Support
•  Alert Type: Vibration
•  Auto Light-up Screen: Support
•  Stopwatch: Support
•  Other Functions: Support Alarm,Calender,Sedentary reminder,Camera remote control,Anti-lost, Music Control, Weather Push, Brightness Adjustment,
• Custom Dial(set on app)
•  Sensor: G-sensor, Heart Rate Sensor
•  Screen: Size:1.28inch
• Type:TFT
  Resolution: 240*240pixels
•  Battery: Battery Capacity: 180mAh
• Standby Time: About 15 days
• Using time: About 7 days
• Charging Time: About 2 hours
• Charging Type: Magnetic charging
• Appearance & Details
•  Weight and Size: Product size: about 33*12.85 mm
•   Band size: about 120+85 *22mm
• Product weight: about 40g
• 1*Smart Bracelet
• 1*Charging Cable
• 1*User Manual