Product details of SH-200 - Wireless Head Microphone System - Black Frequency range: VHF high band 210-265MHz Frequency Accuracy: 5KHz Frequency response: 40Hz-16KHz Dynamic Range: 95db Operating Range: 100 meters (without obstacles) SH-200 - Wireless Head Microphone System - Black Wireless Head and Collar Both Mic's Microphone System has 5KHz Frequency accuracy which means you can communicate with a clear reception. This microphone helps you manage events like Fashion Shows, Concerts, Weddings etc. With a operating range of 100 meters team co-ordination will be strong and everything would go according to the plan. Specifications of SH-200 - Wireless Head Microphone System - Black Brand No Brand SKU SH802EL04KTZWNAFAMZ-1553855 What’s in the box 1 x Receiver 1 x Head Mic 1 x Collar Mic 1 x AC-DC adapter ( 110V or 240V universal ) 1 x Manual