SiaaSoo® Master Hand

Our biomimetic design replicates palm and thumb-like pressure with upper and lower massage heads, giving a therapist-like sensation. Many customers describe it as the closest at-home substitute to in-person therapy for everyday tension. However, it is designed for maintenance and relief rather than replacing supervised medical treatment when required.

The Master Hand includes a 2000mAh battery that supports up to roughly 12 ten‑minute sessions per full charge. USB‑C charging reaches full capacity in about three hours, and a single charge easily covers multiple days of typical use. We include the USB‑C cable in the box for convenience.

Yes — the high‑torque brushless DC motor with PWM control is engineered for whisper‑quiet operation. Customers frequently use Master Hand at their desks or while watching TV without distraction. The low noise profile makes it ideal for shared spaces and focused work environments.

The device uses hypoallergenic silicone contact points and a soft, stain‑resistant leather with a waterproof embossed coating. For routine cleaning, simply wipe the exterior with a damp cloth and mild soap; avoid submerging the unit. These materials were chosen for comfort, durability, and easy maintenance.

We provide a 1‑Year warranty covering manufacturing defects and a straightforward 30‑day return policy if the product doesn’t meet expectations. To start a return or warranty claim, contact our support team with your order number and a brief description — we’ll guide you through the process quickly. Shipping details and refund timing are handled promptly once the return is received.