a single black and white dumbbell

transparent electronics background multimedia smartphone hexagonal equipment exercises dumbbell textured isolated training lighting weights fitness concept machine single gadget black white brand label organ watch 10kg grip hand font png gym eye metal isolated weights dumbbell weight exercise fitness steel iron equipment heavy gym white silver old tool hammer weightlifting work sport nut dumbbells health lift training black textured transparent hexagonal closeup hand workout 10kg strength muscle dumbell dumbells healthy isometric barbell