Time: timing function, language: voice recognition, music: light and music synchronization, connection method: multiple connections. We promise to offer the lowest price and high quality produce. We appreciate your business and look forward to growing our e-Bay sales with satisfied customers.If you dissatisfied for any reason, Please don't leave negative or neutral feedback at once. Dear buyers, Welcome to our store! Your satisfaction is our top goal, we appreciate your business. This item is in the category "Musical Instruments & Gear\Stage Lighting & Effects\Stage Lighting: Single Units". The seller is "top-bigabove" and is located in this country: US. This item can be shipped worldwide.