Coollang Smart Tennis Sensor Athlete Analysis Tracker Swing Training System

Description

Description
Please contact us if you want more than the quantity which is stating on eBay!!
Coollang Smart Tennis Sensor Athlete Analysis Tracker Swing Training System
The Coollang Smart Tennis can provide tennis enthusiasts with professional sports detection and technical analysis services, helping you have a deeper understanding of your levels and play features.
By fixing the Smart Tennis Sensor on the bottom of the racket, you can use the Bluetooth connection APP to recognize your shot in real time and monitor the speed, strength and radian of each action to assess your endurance
、
skills
、
exercise intensity and play style, provide scientific and effective guidance for tennis.
Notice:
Operating System: Support Android 4.3 and IOS 8 or above.
Product Specification:
*Material:  Low sensitive silicone, PC polymer
*Color:Black
*Communication:  Bluetooth 4.0 Low Power Consumption Communication Technology
*Power Supply:  Battery (charged by Micro-USB)
*Storage: 100,000 times of hitting
*Battery Usage: 90min Charging for 6 hours use
*Dimension: Diameter 30mm, thickness 10mm
*Weight: 6g
*Package Size: 16 * 9 * 4.5cm
*Package Weight: 170g
Package included:
1 Piece Smart Tennis Sensor
1 Piece Silicone Sleeve
1 Piece USB Charging Cable
1 Piece User Instructions
Shipping
SERVICE TRANSIT TIME is provided by the carrier and excludes weekends and holidays. Transit times may vary, particularly during the holiday season.
If you have not received your shipment within 30 days from payment, please contact us. We will track the shipment and get back to you as soon as possible with a reply. Our goal is customer satisfaction!
Due to stock status and time differences, we will choose to ship your item from our first available warehouse for fast delivery.
Import duties, taxes and charges are not included in the item price or shipping charges. These charges are the buyer's responsibility.
The shipping charge for returning the item would be the buyer's responsibility too if the buyer refuses to accept the packages.
Please check with your country's customs office to determine what these additional costs will be prior to bidding/buying.
Delivery Time:
Delivery time depends on postal process and other factors, please be patient to wait for it.
Payment
We accept PayPal only.
We don't combine shipping fee.
Do not bid for multiple items and subsequently complain about unreasonable shipping fee. If you are unsure, then please contact us before you bid.
Serious bidders only, please. Orders  will be cancelled and an unpaid item dispute will be filed if payment is not  received within 10 days after purchase
.
Returns
If you are dissatisfied with our item or service, then please follow the good eBay practice to contact us before leaving any feedback. We are committed to resolve all issues in a friendly and satisfactory manner.
We always reply to messages within 2 business days. If you do not get a response from us, then please check your junk or spam mailbox.
Original and return shipping fee will not be refunded or reimbursed under all circumstances. You must agree and acknowledge this term if you bid for this item. Therefore, please do not complain about having to ship back at your own expense.
Feedback
We maintain high standards of excellence
and strive for 100% customer satisfaction!
Feedback is our life. Please do contact us immediately BEFORE you give us neutral
or negative
feedback, so that we can satisfactorily address your concerns.
It is impossible to address issues if we do not know about them!
Contact us
We care about our valued buyers, if you have any questions, our Customer Service staffs will be very glad to help you. We try our best to reply to your emails as soon as possible, however, due to high volume of daily incoming emails and time zone difference, we may not be able to reply your emails immediately. Please allow 24 business hours for us to response.