KINDLY NOTE: Requires one AA battery (not included ) for each face massager tool, please prepare AA battery with normal size to use. Thank you. CONVENIENT USE: The face massagers can be used while showering due to the special design. T shape and 3D rollers design allow you to use the facial massager set on any part from any angle. Because of portable design and the included delicate storage bag, it's easy to take the face massager tools kit on your travel. EASY SKIN CARE DAILY: Daily use of the face massager set will make your face and skin look better. The facial massagers can also be used with skin care products. PERFECT DESIGN: Electric 3D Roller Face Massager is with exquisite small diamond shape cut which makes the massaging more smoothly. T Shape Beauty Bar is 6,000 vib. per/min as same as the 3D roller massager, making it perfect for skin massaging. 2 IN 1 MULTIFUNCTIONAL: The face massager kit includes two types of facial massagers - one 3D roller face massager and one T shape beauty bar. Enjoy your skin care time with your face massage tools.