1.Bluetooth: BLE 5.4
2.Screen:  1.46inch IPS 360*360 display
3.CPU:AB5681
4.Battery: 230mAh
5.Android 4.4or IOS 9.0 or above
6.Materials: Zinc alloy+PC
7.IP67                                        
8.Functions::Bluetooth call,Heart rate/blood
pressure/blood oxygen/sleep monitoring,women's health,call
reminder, Message reminder,exercise mode,music
player,weather, etc.   

1.Bluetooth: BLE 5.4
2.Screen:  2.00inch TFT 320*385 display
3.CPU: AB5691
4.Battery: 1000mAh
5.Android 5.1 or IOS 8.2 or above
6.Materials: Zinc alloy+PC
7.IP68                                        
8.Functions::Bluetooth call,Heart rate/blood
pressure/blood oxygen/sleep monitoring,call
reminder, Message reminder,exercise mode,music
player,weather, etc.     

1.BT chip:JL7003
2.Battery:55mAh/240mAh                                                         
3.Charging time:About 1.5H       
4.Playing time:About 6H for earbuds
5.Control method:Touch button
6.Materials:ABS
7.Waterproof:IPX4                                                                                                                                                                                                               
8.Color:Black,Silver    

1.Bluetooth: BLE5.2
2.Screen: 1.19inch AMOLED 390*390 display
3.CPU:RTK8773WE
4.Battery: 220mAh
5.Android 4.4or IOS 9.0 or above
6.Materials: Zinc alloy+PC
7.IP67                                        
8.Functions:Bluetooth call,Heart rate/blood
pressure/blood oxygen/sleep monitoring,women's health,call
reminder, Message reminder,exercise mode,music
player,weather, etc.

1.Size: 40.6*27.2*7.7mm
2.CPU:RTK8762                 
3.Battery:180mAh
4.Android 4.4or IOS 9.0 or above
5.Materials: Plastic
6.1 ATM                                     
7.Functions:Heart rate/blood pressure/blood oxygen/sleep
monitoring,call reminder, Message
reminder etc.

1.Bluetooth: BLE 5.3
2.Screen: 1.46inch 360*360 TFT display
3.CPU:JL7012
4.Battery: 410mAh
5.Android 4.4or IOS 9.0 or above
6.Materials: Plastic
7.IP67                                        
8.Functions:Built in GPS sport tracking,Bluetooth call,Heart rate/blood
pressure/blood oxygen/sleep monitoring,call
reminder, Message reminder,exercise mode,music
player,weather, etc.