• 0.78 inch large OLED touch screen display a comprehensive and rich information, raise the wrist, efficiency is obvious

• Feature with 5ATM water resistant rating - withstands pressures equivalent to a depth of 50 meters, making it a charm when being exposed in rain, splashing, accidental submersion, showering, surface, swimming

• Raise your hand to brighten the screen without taping screen to see real-time states including sports data, time and heart rate

• Heart rate monitor, it can accurately monitor pulses and active and resting heart rate changes to generate a professional heart rate report

• Support fitness tracker, sedentary reminder, sleep management, etc. functions

• Call/APP message vibrating reminder

• Build-in 110mAh rechargeable battery, 20 days ultra-long standby time

• Works with Android 4.4 or above and iOS 9.0 or above

Specifications: 

• Bracelet size: 17.9 x 46.9 x 12mm

• Wristband length: 247mm

• Adjustable wrist length: 155 - 216mm

• Battery capacity: 110mAh

• Standby time: About 20 days

• Battery type: Lithium Ion Polymer Battery

• Input voltage: DC 5.0V

• Input current: 250mA Max

• Weight: About 20g (with wristband)

• Body material: Plastic

• Wristband material: Thermoplastic elastomer

• Wrist buckle material: Aluminum alloy

• Waterproof rating: 5ATM 

• Working temperature: -10°C～50°C

• Screen size: 0.78 inches

• Display resolution: 128 x 80

• Sensor: Triaxial acceleration sensor, PPG heart rate sensor

• Bluetooth version: 4.2 BLE Edition