DESCRIPTION Medicube Age-R Booster Pro X2 is twice as powerful as the original Age-R Booster Pro. Packs the performance of 2 original Booster pros. 2x output, twice the number of Electrodes, and double LED application. 1.3x larger head with 7 modes: Booster x2, Dermashot x2, MC X2, Airshot x2, Dual, Mask, AI. HOW TO USE Please read the user manual before use. Press and hold the power button to turn on the power, then press the mode button briefly to select the mode you want to use. After selecting a mode, briefly press the power button to select the desired level. Start from Level 1 and gradually increase. Familiarize yourself with the usage order and method for each mode before using. Booster x2 Mode: Shine/Moisture Absorption Use 1-3 times daily with basic skincare products (use for 5-10 mins per session) Dermashot x2 Mode: Contour/Meridian. Use 1-3 times daily with basic skincare products (use for 5-10 mins per session) MC Mode: Volume/Elasticity. Use 1-3 times daily with basic skincare products (use for 5-10 mins per session) Dual Mode: Simultaneous care of two modes of your choice. Use 1-3 times daily with basic skincare products (use for 5-10 mins per session) Air Shot x2 Mode: Pores/Keratin. Use on dry skin 2-3 times a week after cleansing (use for 5 mins per session). Mask Mode: Helps absorb mask pack. Use once daily with a sheet mask according to the mask pack usage instructions. (Use for 5-20 minutes per session). AI Mode: Customized Skin Care through app.