Feature: 1. Powerful Performance: This handheld deep tissue massager features 4 head design, 4 axis linkage technology, and a high frequency of 60 hits per second. With a depth of 10mm and a wide massage area, 20kg strike force, it effectively relaxes muscles, providing a deep and thorough massage experience. 2. Intelligent Design: Equipped with an AI smart chip, this massager offers 20 levels, 6 massage modes, and a 15 minute timer function. The LED display makes it easy to customize your massage session, ensuring a personalized and convenient experience. 3. Long Lasting Battery Life: With a 2000mAh high capacity battery, this 4 head back massager can provide up to 120 minutes of continuous use after a 3 hour fast charge. It is perfect for on the go use and ensures a reliable and lasting performance. 4. Quiet Operation: Featuring a premium motor, this percussion muscle massager delivers deep and powerful penetration while maintaining a low noise level between 35dB to 55dB. You can enjoy a quiet massage experience without disturbing others around you. 5. Versatile and Portable: This handheld massager is designed for deep tissue massages on the back, shoulders, thighs, and more. Its compact and portable design allows you to enjoy a rejuvenating massage anytime, anywhere. Specification: Item Type: Handheld Deep Tissue Massager Material: EVA, ABS Battery Type: Lithium Battery (Shipped with Built in Battery) Battery Capacity: 2000mAh. Package List: 1 x Handheld Deep Tissue Massager 1 x Charging Cable 1 x User Manual