Tip: If you have any questions during use, we will reply to you within 24 hours. 6 OPTIONAL WORKING SPEEDS: The microneedle pen is set with 6 speed levels, with 1 being the lowest speed level and 6 being the highest speed level. Each time the button is pressed, the speed level changes. After opening, the needle automatically enters and exits to meet the needs of various skin conditions. ADJUSTABLE NEEDLE LENGTH: The needle length of the microneedle pen can be adjusted by turning the dial left and right. Needle length adjustment range :0-2.5mm. You can adjust at any time according to your own needs, simple operation, easy to use. WIRELESS MODE: Our microneedle pen supports switching between wired mode and wireless mode. With short charging time, strong battery life, it can be used continuously for more than three hours. It's perfect for taking with you on business trips, so that you can easily look beautiful wherever. DESIRABLE SPECS: Each microneedle pen comes with 22 replacement cartridges, including 5 of the most popular cartridge types(4pcs 16pin+4pcs 24pin+6pcs 36pin+6pcs 42pin+2pcs Nano). Each cartridge is individually packaged. You can use it as soon as you open. monocular.

GTIN: 759549507456. Best Sellers Rank: See Top 100 in Beauty & Personal Care. : B0BTVDCQXR. Manufacturer: ShenZhen LvXiangYuan Technology Co LTD. UPC: 759549507456. Item model number: E502188-20180806. Package Dimensions: 6.89 x 5.28 x 2.64 inches; 15.84 Ounces.