【queling】 ReactionX Reaction Training Light lamp Speed Agility Response Equipment Basketball Boxing fencingPhysical Rehabilitation of Flash Reflex traing System (4)$$Sport & Recreation Other

Items included: training lamps (white) x4, appx1 (Android and IOS), nylon buckle x4, manual x1, EVA bag (black) x1, USB for portable charging x1. Quality assurance: if you think there is something wrong with the goods, please contact us. i will send a new product. You can search for ReactionX in Google or Apple Store to download APP,Both Android and Apple can use, Samsung S21 series phones cannot use this product It can be used in basketball, football, fitness, fighting, hockey, track and field, children's physical fitness, elderly rehabilitation, Kendo and other sports. Professional athletes, athletes, Olympic medal winners, amateur athletes, club teams, gyms, enterprises and individuals, etc. You can freely set parameters on the mobile phone APP. The sensing methods we support include vibration sensing and touch sensing,