3.5 Mm Audio Volume Controller, Line Volume Control Box, 1/8" Aux Mini, Mc11 Product Details Description: This MC11 box is a mini size line volume controller, you can adjust volume quickly without using the music player any more. Product design is pure volume level control, it is not affects sound quality or color added. (note it has no amplification function) Very conveniently to control volume to get a comfortable listening level. Features: Compatible with many devices and music system: headphones/headsets, MP3 player, smartphone, PC computer, TV, amplifier,active speaker etc which have line out jacks Quality potentiometer and other components. Build in quality aluminium CNC chassis, looks nice and durable. With rubber feet on bottom. Connectors: 1 x 3.5mm (1/8") input 1 x 3.5mm (1/8") output Use instruction: No need power supply. Plug and play. Useful and Quickly to adjust volume level Up and Down 3.5mm 1/8" aux input output jacks It allow you to adjust and control the volume level directly Build in solid aluminium CNC chassis, looks nice and durable. No need power supply. Plug and play. Payment We accept PayPal and credit cards via PayPal. Taxes - US We collect sales tax, as required by law. Shipping We make every effort of shipping within 3 business day of payment clearing. The estimated delivery time is 2 - 5 business days from the shipping date. Policies If you do need to return your item, please contact us via email (you will receive an email when your product ships with additional details - Subject: Important information about your purchase). You will then be provided with a return shipping label and packing slip. Pack the item carefully. Include the packing slip, apply the shipping label, and return the item within 30 business days of the date you request a return, or your return will be canceled. Once we receive your order we will inspect the return. Please allow up to 5 business days of receiving the returned item for your refund.