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Sleep monitoring, step monitoring, calorie consumption monitoring, distance display, active time display, motion patterns, and information alerts (support for SMS, WeChat, QQ, Facebook, WhatsApp, Twitter, Instagram, Messenger, LinkedIn, Email, calendar), clock display (12h/24h), sedentary reminder, call reminder, alarm clock Remind, throw away reminder, complete target reminders, low power hints, device exception hints, wrist lifting screens, control photos, look for mobile phones, vertical screens.
Bluetooth connection: BLE4.0
IOS: over iOS 8.0
Android:over Android 4.4
Working voltage: 3.7V
Maximum power: 0.57dBm
Battery type: polymer lithium battery
Charging mode: USB direct charge
Charge time:1-2 hours
Duration: 7 days
Dustproof and waterproof grade: IP67
Screen size:0.87 "
The size of the hand ring (L x W x H) mm:240*16*10mm
Weight of the hand ring: 17g
Host material: PC
Wristband material: TPE
Control key: single touch
Working temperature: -20 C to 40 C
Working humidity: 10%-90%RH (not condensing)
Storage temperature: 0 C to 50 C
Storage humidity: 5%-90%RH (not condensing)