Three young women using digital cell phone after workout at yoga class

young women female friendship using phone group gym performance exercising smart phone step aerobics learning yoga using computer wellbeing mobile phone sport women aerobics looking talking serene people communication technology sports clothing friendship aerobics instructor young adult hobbies russia making healthy lifestyle laughing mat photography people weekend activities telephone computer internet fashion model lifestyles cheerful smiling wireless happiness caucasian portrait 4k outdoor pursuit intelligence adult relaxation human body adults only athlete outdoors ultra high definition television