CK23 PPG Smart watch Fitness Tracker Bluetooth Calorie Pedometer Sleep Monitoring Waterproof Men and Women Bracelet for Android and iOS

Color :

Product model: CK21
Master chip: nRF52832
Flash: 64MB
Sensor: BST-BMA253
Photoelectric chip: HRS3313 double lamp
Vibration: low power motor
Waterproof level: IP67
Compatible systems: Android 4.4 and above, iOS 8.2 and above
Screen size: 1.22 inches 240*204
Screen type: TFT
luetooth: 4.0BLE (low power consumption)
Battery type: polymer lithium battery
Battery capacity: 180mAh
Charging method: special magnetic

Charging time: about 3H
Life time: 8 days of use, 15 days of standby
Data storage: 3 months
Control mode: touch control, mobile APP control
Product language: Chinese/English and other 12 languages
Appearance material: outer casing: glass fiber + PC, strap: leather
Product color: black
Bare metal weight: 39g
Packing list: bracelet, instruction manual, charging cable, packing box

1. We are manually measuring, there may be an error of 1-2cm, please prevail in kind.
2. Due to the different understanding of the spotlight and the color of different people, some color differences may occur, but within a reasonable range, please choose carefully.
3. Delivery time is usually 10-15 days. If you have not received the purchased product within 30 days, please contact us in time, we will try our best to solve it for you.
4. If you have any questions about the products you purchased, please feel free to contact us.Customer satisfaction is our greatest pursuit. Happy shopping!

Shipping Policy

We offer FREE shipping and can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.

When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.

Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.

If any logistics delay occurs, you may send an email to, and we will do our best to contact the logistics company to help resolve the issue.

Return & Refund

All items can be refunded within 30 days of receiving the order. To be eligible for a refund, your item must be unused and in the same condition that you received it.

Please send us an email directly to to notify us that you'd like a refund.

Please retain the original delivery packaging, i.e padded envelope or box with address label still attached. Please note this MUST be provided for us to issue a refund in any circumstances. Please also ensure your name and order number are included on or inside the package.

Once your return is received and checked, we will send you an email to notify you that we have received your returned item. We will do this whether or not we are able to give you a refund.

If your refund is approved (please see the exemptions and exceptions below), then a credit will automatically be applied to your credit card or original method of payment, within 3 working days or refund by paypal.

Notice : You will be responsible for paying for your own shipping costs for returning your item. Shipping costs are non-refundable.

1-year limited warranty

30 days money back

Free shipping on orders

100% secure checkout

CK23 PPG Smart watch Fitness Tracker Bluetooth Calorie Pedometer Sleep Monitoring Waterproof Men and Women Bracelet for Android and iOS
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