Material of the band: Silicone
System requirement:
1) For android: android 4.3 and above   
2) For IOS: IOS 7.0 and above

• Bluetooth version bluetooth 4.0
• Battery rechargable( working 10 days after full charged)
• Display 0.49 inch OLED screen
• Basic function: pedometer, calorie counter, sleep monitor, distance tracker, incoming call and sms alarm, email reminder, stop watch
• Color black, blue, orange, red, pink, lime and according your requirement
• Packaging Details: 1pc/blister card 
• Ctn size: 33*47*35cm 
• 100pcs/ctn 
• GW:11.50KG