Features 1、Powerful Vibrations: Adopts quad connection technology for deeper, wider reaching massages, capable of delivering 60 hits per second with a vibration depth of 10mm, effectively relax muscle fascia. 2、Intelligent Timing and Remote Control: Featuring an AI intelligent chip, this neck and shoulder massager comes with a 15 minute timing function for automatic control of massage time. 3、Adjustable Intensity and Modes: The massager has a maximum impact force of 20kg, suitable for massaging back, shoulder and thighs, offers up to 20 intensity levels, 2 massage modes. 4、Large Capacity: Powered by a 2600mAh large capacity battery, this electric massager can work for 14‑18 sessions, up to 120 minutes on a full charge, long lasting work time and fast charging, enjoy uninterrupted massages. 5、Silent Operation: Equipped with a powerful motor designed for deep and powerful penetration while keeping the noise level under control, operates at about 35dB to 55dB, making it usable in public places without disturbing. Item Type: 4 Head Deep Tissue Massager Material: ABS, EVA, rubber Battery: 2600mAh lithium battery (built in) Package List 1 x 4 Head Deep Tissue Massager 1 x Manual 4 x Massage Head 1 x Charging Cable