• System requirements: android5.0 /ios10.0
• Main Control Chip: SF32LB551
• Memory band: 256M
• Bluetooth call: AB _ 5376A3
• Bluetooth Version: 5.2
• Heart rate chip: 1662
• Screen display: 2.01TFT square screen - 320*386
• Battery capacity: 250mAH
• Standby time: 25 days
• Usage time: about 7 days
• Button mode: Full screen touch
• Motor: circular cake motor
• Charging interface: wireless charger
• Waterproof grade: IP67
• Sensor: 3 axis G-sensor
• Local display: 6
• Market Dial: 50
• Menu style: 3
• APP:Wearfit pro