Brand Name: ODM or OEM Model Number: M3 Place of Origin: Shenzhen Display Type: OLED Screen Resolution: 128x128 Screen: 2.0-2.9" Display Color: Color Feature: MP3 Playback, Touch Screen Operation System: ANDROID Camera: No Camera Design: Rotatable Movement Type: Electronic Band Material: Plastic Case Material: Plastic Function: 24 hour instruction, Alarm Clock, Altitude Meter, Answer Call, Attemper, Big Three Needles, Calendar, Countdown, Call Reminder, Dial Call, Fitness Tracker, GMT Two Places, Heart Rate Tracker, Interactive Music, Lighting, MONTH, Message Reminder, Moisture Measurement, Mood Tracker, Noctilucent, Passometer, Permanent Calendar, Perspective Window, Phase of the Moon, Power Reserve, Push Message, Remote Control, Sleep Tracker, Small Second, THERMOMETER, WORLD TIME, Calculators, chronograph, COMPASS, Speed Measurement, tourbillon, Week Product Name: Smart Watch Color: Red/Black/Blue/Purple bt Version: 5.0 Talking Time: 10 hours Perfect Match to: Universal General Purpose Waterproof: IP67 Working distance: 10 meters Compatible: Android IOS Hot sale with: Wrist Sport Band Style: SportSelling Units: Single item Single package size:  14X8X4 cm Single gross weight: 0.280 kgIt is the most popular sports watch on the market nowadays. 1, sports bt bracelet features a new upgrade, high transmission, high compatibility, high waterproof, user-friendly design, free color change, three standby interfaces, free switching, swimming waterproof, sports fitness, ECG test, can also measure blood pressure heart rate sleep Monitor your ECG and more to protect your health. 2, the bracelet is ergonomic design, coupled with low-sensitivity TPU material, fits the wrist curve, not only stylish, but also very comfortable to wear. 3.Equipped with motion sensors, record your sports data,throughout the day,automatically monitor your sports,timesteps, intelligently calculate,walking distance and calorie consumption, and create a new sports experience that makes us love healthy living.