tennis training device with ball tennis supplies tennis training aids baseboard player practice tool with elastic rope base

we pay attention to product quality and update. to provide customers with the latest and highest quality products is our service tenet. more than 95% of buyers will regret not buying a package with a battery and a charger, because in their country, the battery and charger are very expensive usb charging (input and output, with mobile power function, can charge mobile phones) suitable for night camping, fishing, working, hunting, hiking, caving, adventure, etc. double-click the power button to turn on the cob mode. double click to open cob mode: white light 100%-white light 50%-red light 100%-red light sos waterproof level: ipx-8 kinds of charger specifications, we will choose the correct charger according to your country. because it is a manual choice, it is inevitable that there will be a wrong judgment