led electric microneedle pen smart injector water mesotherapy hydra injector 2 in 1 use meso guns

-adapter:5v, dc1000ma. -power supply:rechargeable with battery. -work time/time(charging full):2-3 hours/cordless used. -vibrate frequency:8000-10000r/m. -pen size:23.5cmx5cm. -bio light:7 colors. we are a wholesale seller on all kinds of selling product, you can contact me if you need any other product.welcome to youmvp store