MGCool SmartBand 3 runs on NRF51822 chip and with a 256K internal memory. Sensors include pedometer and heart rate monitor, connectivity includes Bluetooth 4.0. It features sedentary reminder, alarm, sleep monitor, call and message notifications, social app notifications such as Facebook,QQ,Twitter,Weibo and WhatsApp.

With 105mAh Lithium Polymer, the smartband has a standby time of up to 10-30 Days

MGCOOL Band 3 Smart Fitness Sports Bracelet is a device that makes you live in healthier and more intelligent lifestyle. It helps to monitor basic physical indicators like sleep quality that you can know your body condition better. It tracks steps and shows you how you're stacking up against your daily goals. Besides, you can share your data on Facebook and Twitter, which may encourage you and your friends to do exercise and raise interest in sports.

MGCOOL Band 3 Smart Fitness Sports Bracelet Features
• Perfect Personal Health Tracker: pedometer and sleeping monitor.
• Ultra-Long Battery Life: it consumes less power and can generally standby for 10 – 30 days.
• Waterproof Design: IP68 waterproof standard, suitable to use at home, office and during outdoor activities. IP68 can withstand rain, can wear to showers, for swimming (up to 30M)

Functions:
• Heart Rate monitor
• Pedometer
• Sedentary reminder
• Sleeping monitor
• Alarm setting

Specifications:
Built-in chip type: NRF51822
Bluetooth Version: Bluetooth 4.0
RAM: 32KB
ROM: 256K
Waterproof: Yes
IP rating: IP68
Screen: OLED
Screen resolution: 64 x 48
Screen size: 0.66 inch
Operating mode: Touch Key

Type of battery: Lithium-ion polymer battery
Battery Capacity: 105mAh
Charging Time: About 2hours
Standby time: 10 - 30 days

Case material: Plastic
Band material: Silicone
Band colors: Black - This Listing, Red

Functions:
Bluetooth calling: Caller's name display,Phone call reminder
Messaging: Message reminder
Health tracker: Heart rate monitor,Sedentary reminder,Sleep monitor
Notification: Yes
Notification type: Facebook,QQ,Twitter,Weibo,WhatsApp
Alert type: Vibration
Locking screen : 3

Compatible OS: Android,IOS
Compatability: Android 4.4 or above and iOS 8.0 or above
Language: French,German,Italian,Japanese,Korean,Portuguese,Russian,Simplified Chinese,Spanish,Thai,Traditional Chinese

Dial size: 4.2 x 2.42 x 1.1 cm
Band size: 24.8 x 2.42 cm
Wearing diameter: 14 - 22 cm
Product size (L x W x H): 24.80 x 2.42 x 1.10 cm / 9.76 x 0.95 x 0.43 inches
Product weight: 0.0250 kg

Package Contents:
1 x MGCool Smart Bracelet 3 - IP68 OLED 0.66 Fitness Tracker - Black
1 x Charging Cable
1 x English Manual