Main Features:

• Sleep monitoring - Carefully monitor your sleep quality
• Heart rate monitor - Considerate monitor contact designed on the behind of the watch, take care of your health anytime and anywhere
• Bluetooth 4.0 - Connected with mobile phone App, stable, fast and super low consumption
• 1.28 inch with 2.5D Corning Gorilla Glass screen - Best suitable screen size with high definition picture displaying gives you great experience

Specification
Brand: Xiaomi 
Bluetooth Version: Bluetooth 4.0 
Waterproof: IP68
Bluetooth calling: Phone call reminder 
Messaging: Message reminder 
Health tracker: Heart rate monitor,Sleep monitor
Battery Capacity: 190mAh
Case material: Polycarbonate 
Band material: Silicone
Interface language : English UI
Compatible OS: Android,IOS
Product size (L x W x H): 19.50 x 3.50 x 0.80 cm / 7.68 x 1.38 x 0.31 inches 
Package size (L x W x H): 5.00 x 5.00 x 5.00 cm / 1.97 x 1.97 x 1.97 inches 
Product weight: 0.0320 kg 
Package weight: 0.2070 kg

Warranty : 1 month

What's in the box:
1 x Smartwatch, 1 x Charging Cable, 1 x User manual