1. Neck and face dual-use, colorful skin care, colorful wrinkles and beautiful neck, red/blue/purple light lines, vibration massage, 45 constant temperature introduction. 2. Colorful skin rejuvenation, sonic vibration, deep cleaning, nourishing and introducing, positive and negative ions, four modes, three intensity adjustments, constant temperature hot compress. 3. Blu-ray mode: Inhibit acne, purify skin and converge pores; Red light mode: accelerate circulation, skin and dilute pigmentation; Purple light pattern: Improve the alternation of cell oxidation, calm skin, balance and tighten skin. Product Name: -current Three-gear Adjustable Constant Temperature Neck Beauty Instrument Net weight: 0.085KG Rated voltage: 3.7V Rated current: 500MA Rated power: 2W Built-in battery capacity: 450mA Input: 5V/1A USB charging color:White Material:ABS size:14 x 9 x 3.8cm Package Contents: 1 x Neck beauty instrument 1 x USB charging cable 1 x English manual Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.