Specifications 

Summarise

Brand - Colmi, Model - Colmi M40, Watch Size - 33mm, Cellular Network - No, SIM Card Slot - No, Dial Shape - Round, Dial Type - Digital, Processor /CPU - Realtek RTL8762DT, Display Size - 1.32 Inch, Display Type - HD, Display Resolution - 360 X 360, Multitouch - Full Touch screen, Camera - No, Calling Feature - Yes, Loudspeaker - Yes, Microphone - Yes, Sport Modes - 28 Sports Modes, Waterproof - Yes, Waterproof Rating/Level - IP67, Water Resistant - Yes, Dustproof - No, Shockproof - No, Blood Pressure - Yes, Blood Oxygen - Yes, Heart Rate - Yes, Sensors - PPG Bio Heart Rate, G-Sensor, Activity Tracker - Yes, Vibration - Yes, Button - 2, Card slot - No, Wi-Fi - No, Bluetooth - Yes, Bluetooth Version - Bluetooth 5.1, Data Sync Compatibility - Da Fit, GPS - No, Connectivity - Bluetooth, Battery - 300mAh, Charging Method/Port - Magnetic Charging, Body Materials - Alloy, Number of Straps - 1, Strap/Band Materials - Silicone, Body Color - Black, OS & Version - Android 4.4 IOS 9.0 and above, Watch Dimension - 47 x 11 x 225mm, Weight - 50 gm, Others - Stronger chip: The main chip uses Realtek RTL8762DT chip, which brings more powerful performance and lower power consumption. The secondary chip uses JieLi AC6963A, which has a more stable Bluetooth connection. More functions: 2 sets of UI interaction, 2 games, Bluetooth call., Warranty - 6 Month (Warranty must be claimed with original box & all accessories)