Hands-Free Full Massage Coverage: scalp massager has 10 massage arms with 10 individual motors, imitating real hands massage, providing 360 degree massage coverage. Have a hands-free massage while reading, working, or enjoying your coffee Three Massage Modes: IC control system provides three massage modes. You can select dynamic/energy mode, sleep mode and relaxation mode for your specific massage need during your day and night Long-lasting Battery: Built-in 1000mAh Li-ion rechargeable battery providing long lasting performance. One full charge can be used for 1 month for 15 minutes a day. Battery can be charged up to 2500 cycles Ergonomic Design & Easy Control: scalp massager is ergonomically designed to fit various head sizes. Single button design on the top can be easily reached, controlling on, off and dynamic mode selection. Great Gift Option: Give your loved ones the best head/scalp massager possible, help she/he relax after an intensive working day using this soothing massager.