Fast & Items are generally shipped out within next 1 business day after payment has been verified. Most orders arrive at your door in 2-6 Business Days FOR FREE! Please verify your address and make sure that it is your current address before making your payment. Any address change requests after your payment CANNOT be guaranteed. We do not include invoice with our shipments. Transmission Range30M / 100FeetReceived frequency 2.4GHz frequency bandDynamic Range108dBSuitable ForLive PerformanceFeaturesHigh Sensitivity, On/Off Switch, Plug and Play, Stable Transmission, Wireless HandheldDiaphragm SizeSmallTransducer TypeDynamicItem Size 4.5 * 1.2 * 1 in / 11 * 3 * 2.3 cmUPCDoes not applyNote: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.