Features 1. 8 Core Functions: reproducing exquisite and invisible lines, the new generation of acoustic color light neck beauty instrument adopts a combination of multi light wave technology and high-frequency sound waves, effectively reaching the bottom of the neck muscles, thereby preventing neck lines. 2. Multiple Modes: Blue light mode, anti acne and skin cleansing, astringent pores. Blue light mode, calm the skin, balance and refine. Red light mode, accelerating circulation, revitalizing and rejuvenating the skin. The three modes are clear and brighten skin mode, EMS care mode, and warm and moisturizing mode. 3. 7000 Times or Min Sound Wave Vibration: comparable to a technician's neck dredging massage. The high-frequency sound waves vibrate evenly and continuously to stimulate muscle vitality and unblock meridians, thereby soothing the neck muscles. 4. Efficient Nutrient Absorption: By decomposing and reintroducing nutrients into electric ions, the efficiency of nutrient absorption is improved. Combined with neck cream and neck mask, the effect is doubled. 45 magnetic thermal therapy provides vitality to the neck muscles, accelerates blood circulation, and revitalizes the neck skin, making it delicate and smooth. 5. Dolphin Biomimetic Design: 160 surround and fit the neck, mimicking the appearance of a dolphin, fully fitting the neck, curved, three-dimensional circular curves from top to bottom, left to right, and able to deeply touch the skin of the neck. Specification Charging Voltage: 5V or 1A Rated Power: 2.5W Battery Parameters: 3.7V or 500mAh Charging Time: 2 hours Gross Weight: 265g Material: ABS Color: White, Black Size: 12 x 9 x 5 cm Weight: 280 g Package Include: 1x Cervical Spine Massager 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.