Exterior material: zinc alloy CNC process case, plating anti-fingerprint strengthened mineral glass mirror 

Charging time: 2-3 hours

Use time: 7-15 days

Waterproof grade: IP67 waterproof

Compatible system: Android5.0 or above IOS9.0 or above

FLASH memory: 128MB

Screen Size: 2.01 inch HD screen

Resolution: 240*296

Control mode: full touch OGS 

Bluetooth:BT5.0

Heart rate: Zhanheng BD1662

Gravity Sensor:SC7A20

Charging method:Wireless charging

Battery capacity:3.7V/270mAh 

APP software :Wearfit pro

Functions: real screws real snap, blood oxygen, sleep monitoring, fitness classes. Alipay, NFC, Bluetooth calling, indoor sports (indoor running, indoor cycling, sit-ups, push-ups, free exercise), outdoor sports (outdoor running, outdoor cycling, hiking, climbing, other sports), data, compass, altitude barometer, blood pressure, maitre d'oeuvre, pressure, message alerts (WeChat, QQ,SMS,WHATSAPP,FACEBOOK. Tittwer, etc.) Stopwatch, Phone (Recent Calls, Contacts, Dialing Keypad) Alarm Clock, Weather, Timer, Games, App Center (Temperature, Weather, Me & Him, Breathing Rate, Blood Sugar Management) Shake to Take a Picture, Bluetooth Music, AI Voice Assistant, Settings (Wrist Lift, Bedside Clock, Resting Dials, Standing Time, Resting Time, Language Settings, Time Settings, Brightness Adjustment, Talking Settings, Sound & Vibration, Side Key Settings, Do Not Disturb Mode, Health Alert, Power Saving Mode, Password, Connect Phone, About, Shutdown, Restart, Restore Factory) Calculator.                                               (Drop-down menu: Bluetooth switch, wallet, business card QR code, Alipay, fitness course, short video remote control, date, lift wrist to light up the screen, do-not-disturb mode, resting dial, password lock, app center, brightness adjustment, NFC, alarm clock, find phone)