Specifications:
<br />Bluetooth Version: Bluetooth 4.2 
<br />RAM: 64K 
<br />ROM: 512K 
<br />Waterproof: Yes 
<br />IP rating: IP68
<br />Bluetooth calling: Caller's name display,Phone call reminder 
<br />Messaging: Message reminder 
<br />Health tracker: Heart rate monitor,Pedometer,Sleep monitor 
<br />Notification: Yes 
<br />Groups of alarm: 1
<br />Screen: OLED 
<br />Operating mode: Touch Key
<br />Type of battery: Lithium-ion polymer battery 
<br />Battery Capacity: 230mAh 
<br />Charging Time: About 2hours 
<br />Standby time: 20 days
<br />People: Female table,Male table
<br />Shape of the dial: Rectangle 
<br />Case material: ABS,PC 
<br />Band material: TPU
<br />Compatible OS: Android,IOS 
<br />Compatability: Android 4.3 or above and iOS 8.0 or above
<br />Dial size: 4.8 x 2.5 x 1.3 cm 
<br />Band size: 24 x 1.8 cm 
<br />Product size (L x W x H): 24.00 x 2.50 x 1.30 cm / 9.45 x 0.98 x 0.51 inches 
<br />
<br />Package Contents: 
<br />1 x Smart band, 
<br />1 x Charging Cable, 
<br />1 x English Manual