Wireless massager, you need this model. Famous brand Leten from Japan. Big size but lightweight. Super premium, guaranteed 10 stars, stainless steel handle, vibrating up to 10 strokes, each stroke, adjustable strength 6 levels, total length 28 cm, handle length 20 cm around the massage head circle 16.5 cm or 6.5 inches The height of the massage head is 5cm, made of good material. Super premium. The handle is Stainless steel. Strong, durable and lightweight. To clean the head, wash it with mild soapy water. As for the handle, use a clean cloth moistened with water to wipe. Part of the massage head The rubber on the head can be removed for cleaning. Wash with mild soapy water. Let the air dry. Usage 1. Press and hold the lower button to open. 2. Press the lower button to increase the strength level. 3. Press the upper button to change the tempo.