Specification: Condition: brand new_x000D_Item Type: Microphone_x000D_Material: ABS_x000D_Color: as picture shown_x000D_Receiver power voltage: 5v_x000D_Transmitter operating current: < 80mA_x000D_Operating current: 80mA (Maximum)_x000D_Operating frequency: 265.85mhz (fixed)_x000D_Sensitivity: -50 +/ -3db (0dB = 1 V/Pa at 1dB)_x000D_THD: less than 0.7%_x000D_Signal-to-noise ratio: over 110 db_x000D_Delay time: less than 5 ms_x000D_Frequency response: 40 Hz ~ 15 kHz_x000D_Power supply: 2 x AA battery (not included)_x000D_Operating temperature: -10-50 Features: 1UHF technology is adopted, the remote wireless transmission is easy to operate, and no wire, can reach the maximum distance of 80m. 2Wider frequency range, less interference, display of your voice easily and perfectly. 3It adopts tight control of electronic circuits to capture rich, rich sounds from sources directly in front of the microphone. 4Can be used with 3.5mm and 6.35mm female interface devices, with screen, display frequency/channel and other information. 5Power USB receiver via USB charger, portable power supply, etc. 6Suitable for recording studio, karaoke, radio, teacher, live show, meeting, hall, party, etc. PackageList: 1 x Microphone1 x USB Receiver1 x 3.5mm Audio Cable1 x 3.5mm to 6.35mm Adapter1 x Manual