Feature: 1. [Extendable Design] With a length of 45cm and three section telescopic pole design, the electric back scratcher easily reaches difficult to scratch areas on the back, catering to individuals of all body sizes. 2. [Gentle Massage Function] Featuring a unique five tooth massage head design, this back scratcher not only relieves itchiness quickly but also ensures a safe massage experience without injuring the skin. 3. [Electric Vibration] The innovative electric micro vibration function enhances the itch relief effect through automatic vibration, you can instantly feel comfortable and relaxed. 4. [Ergonomic Handle] Designed with an enlarged, ergonomically shaped handle, this back scratcher fits comfortably in the hand, preventing fatigue even during extended use. 5. [Portable and Convenient] The compact and telescopic design of the back scratcher makes it easy to store and carry, perfect for travel or home use. Specification: Item Type: Electric Back Scratcher Material: ABS, Stainless Steel Voltage: 5V Working Voltage: 3.7V Rated Power: 6W Battery Model: Polymer Battery (Built in) Battery Type: 401020 Battery Capacity: 300mAh Charging Time: About 1.5 Hours Extendable Rod Length: Approx. 45cm or 17.72in . Package List: 1 x Electric Back Scratcher 1 x USB 1 x Instruction Manual