Features:

• Main core chip NORDIC 51822

• Continuous Heart Rate Detector Tianyi Hexin 3300

• Acceleration sensor Triaxial sensor MC3631

• Main features Heart rate monitoring, step counting, calories, sleep quality monitoring, call reminder, SMS reminder,alarm clock, sedentary reminder, remote control photo, message reminder, etc.

• Screen size 0.96 inch color screen / HSD ST7735S / resolution 80x160

• Bluetooth 4.0 (low power)

• Battery Type Polymer Lithium Battery 80mAh/Seiko Protection Board

• Charging type USB in-line charging

• Charging time is about 1.5 hours

• Standby time Normal use: 7 days

• Standby: 15 days

• Memory 7-day detailed exercise record

• Control method Touch button control, APP control

• Bracelet display international icon

• APP Support Language Chinese Simplified, English, French, German, Dutch, Spanish, Portuguese, Russian

• Equipment size 57mmx21.5mmx11.3mm

• Strap size 252mmx11.3mm

• Appearance Material Top/Bottom Shell: PC ABS

• Strap: TPU

• Color: black, red, blue

• APP: L8STAR

• Waterproof index :IP68

• Packing specification / weight :126x83x31mm /51g