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 ScratcherMaterial: ABS, Stainless SteelVoltage: 5VWorking Voltage: 3.7VRated Power: 6WBattery Model: Polymer Battery (Built in)Battery Type: 401020Battery Capacity: 300mAhCharging Time: About 1.5 HoursExtendable Rod Length: Approx. 45cm / 17.72in .Package List:1 x Electric Back Scratcher1 x USB1 x Instruction Manual