1Portable Design: Compact in size and lightweight, it's perfect for carrying around. Whether you are in the office, at home or travelling, you can enjoy a comfortable massaging and relieve fatigue at any time. 2Convenient Charging: Charge like Bluetooth earbuds, simply return the main unit to the charging case and it will charge instantly for up to 3 hours per full charge. The charging case can recharge the Dual Master 3 times for a total of 18 hours of battery life. 3Dual Unit Design: By applying the stickers to different parts of the body, you can easily combine massaging areas and techniques for an efficient and time saving massaging. You can also combine two hosts into one for a larger massaging area. 4Multifunctional Massaging: This portable massager is not only capable of targeting specific areas such as neck, shoulder, waist, back, etc., but can also achieve a full body massaging. Using a variety of different massaging techniques, it can effectively relieve muscle. 5Long Battery Life: Equipped with a 90mAh polymer battery with high efficiency, it can provide long lasting and stable power support. This battery design ensures that you do not need to recharge frequently, allowing you to enjoy a long relaxing massaging.