COMPATIBILITY: USB charger designed for head massagers is compatible with for Scalp Mini Scalp pro Scalp 2m. Please do not use a fast charging adapter. If you connect it to the adapter, the current cannot exceed 1A and the voltage does not exceed 5V. DURABLE MATERIAL: Head massager charger is made of premium wire to ensure a good charging experience for your device. Durable ABS, TPE materials and copper wires ensure stable current transfer and guarantee the quality of charging. USB CHARGING: You can connect it with power adapter, car adapter, power bank, laptop, etc. These charging methods can provide you with high efficiency and stable charging experience. MAGNETIC CHARGING: Magnetic charging can be easily aligned with the charging area of the for head massager to ensure charging efficiency and speed, providing easy and convenient charging and a stable grip. COMPACT AND LIGHTWEIGHT: Head massager charging cable features a compact and lightweight design that is convenient for travelers and business users, and easy to carry with you when you are on the go. Note: Please charge the massager before it runs out of power.