Rechargeable device with adjustable speed and needle length designed for precise control and flexible use Key benefits Precise control: Variable speed adjustment and fine speed control let you match performance to the task, reducing guesswork and improving consistency. depth: Adjustable needle length allows you to set the penetration or reach you need for different techniques and materials. Portable and convenient: Rechargeable power reduces dependence on mains power, improving mobility and minimizing interruptions between uses. Versatile performance: The combination of speed control and needle length adjustment makes the device adaptable to a range of applications that require both accuracy and repeatability. Core features Adjustment of speed: Multiple speed settings let you increase or decrease operating rate to suit detail work or faster coverage. Speed control: Builtin control maintains stable operation at the chosen setting for consistent results during extended use. Adjustment needle length: Simple adjustment allows precise setting of needle length to match the task requirements. Rechargeable: Onboard rechargeable power enables cordless operation and easier transport. Practical applications Precision line and detail work where lower speeds and shorter needle length improve control and clarity. Tasks that require switching between fine detail and broader work, using speed adjustment and needle length change to adapt quickly. Mobile or onsite use where rechargeable operation reduces the need for stationary power and minimizes setup time. What to expect Functionality focused on control and adaptability through speed and needle adjustments. Rechargeable operation that supports cordless use and easier movement between work areas. A straightforward tool for users who need repeatable settings and the ability to fine tune speed and needle length for different tasks. This description is based on the product functions of speed adjustment, speed control, adjustable needle length, and rechargeable operation.