1.Bluetooth call, full touch, heart rate, shake and take photos, call reminder / rejection, information storage, Multi Sport mode,weather. 2.multi language, information alert, alarm clock, bracelet, health monitoring. 3.Exercise records (pedometer, calories, mileage). 4.Time, week, date. 5.Information reminder:SMS,QQ,WeChat,Skype,Facebook,Twitter,WhatsApp,Line,Viber. 1.Bluetooth version:Cell phone bluetooth 5.2,Data storage bluetooth 4.0. 2.Battery capacity of charging bin:280mAh polymer battery. 3.Headphone battery capacity:25mAh polymer battery. 4.Charging box function:The main body can charge the earphone for 2-3 cycles time. 5.Charging method:Magnetic charge. 6.Main chip:8762D. 7.TWS chip:8926B2. 8.Heart rate chip:3300. 9.Screen:1.32inch,360x360px. 10.Waterproof and dustproof:IP67. 11.Control mode:touch display+Knob button. 12.Vibration:real- time vibr ation reminder. Earphone touch button function: 1. 4 times of keystrokes before pairing - Chinese and English switch; 2. Press for 2S to turn on, 1.5S to reject the call, 3S to turn off; 3. Double-click the key ---Answer/hang up the call; 4. 4 times of keystrokes - wake up SIRI; 5.Double click the key - Play/Pause; 6. Triple click on the left: Previous,Triple click on the right: Next; 7 Reset the headset to original settings: headset off,press and hold for 8 seconds.(If the headset can't paired, can restore the original factory to pairing) Colour:A:Gray/B:Black Material:Silicone Package Contents: 1 x Waterproof Bluetooth Smartwatch 1 x USB Cable 2 x Earphone Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.