|Waterproof||IP67/Life waterproof（Customized waterproof level according to the shell material）|
|Platform support||Android 4.3 or above,iOS 8.0 or above|
|Hot spot||dynamic and static heart rate|
|Main function||Heartrate、Pedometer 、Calories、Distance、topwatch、Sleep quality measurement、Call reminder、ALarm clock|
|Screen size||0.87 inch|
|Bluetooth||4.0BLE（Low power consumption）|
|Battery type||Polymer lithium battery|
|Charging type||USB charging line|
|Charging time||About 1.5 hour|
|Standby time||Normal use:15days;Standby:20days|
|Control type||Button control、APP control（Customized,Mobile terminal）|
|Language||Chinese/English（Other languages can be customized）|
|Bracelet size||Overall length 235MM, adjustable length 155-210MM|
|Appearance material||Main body: Plastic
Wrist staps: TPE/TPR、Aluminum alloy
|Packing list||Smart bracelet*1、charging line *1、User manual*1、|
1) The product will be sent with AliExpress Standard Shipping.The tracking number is Unique.Can track all the way. Tracking information can be seen in order detail.
2) After goods send out. The tracking information normally will be updated with 5 business days.
3) We will declare your item as a “gift” valued about $4 for customs convenience.
4) We are not responsible for any custom duty or import tax.
(We understand that you are worried about any possible extra cost for the items. Based on the past experience, import taxes falls into 2 situations:
First, in most countries it did not involve any extra expense on the buyer side for similar small and low cost items.
Second, in some individual cases, buyers might need to pay some import taxes or customs charges even when their purchase is small. As to specific rates, please consult your local customs office.)
5) If packages don’t arrive in 60 days (Brazil 90days), we offer to full refund.
So please don’t open dispute before that time if package don’t arrive.