Features: Wireless UHF System: The UHF system includes handheld microphone and one receiver, featuring 30 channels and long distance operation, with LED screen to display transmitter parameters. Dynamic Handheld Microphone: Portable handheld microphone Features dynamic pickup, total 24.5cm/9.65inch length makes it comfortable to hold, widely suitable for broadcast, interview, church and more. 6.35mm Plug Receiver: The receiver with 6.35mm plug can be applicable for speaker, audio mixer and DVD player, also with a 3.5mm audio adapter for camera connection. Battery Powered: The handheld microphone is powered with 2pcs AA batteries(NOT included), the receiver is powered by the built-in lithium battery and can be recharged with USB cable included. Wide Application: The handheld microphone system can be widely applicable for video recording, broadcast, interview, online teaching and more occasions. Specifications: Type: 1pcs Microphone / 2pcs Microphone (Optional) Material: Metal+aluminum alloy Package Weight: 400g / 14.11oz, 760g / 26.81oz Package Size: 28.5 * 10.5 * 5.5cm / 11.22 * 4.13 * 2.17in, 29.2 * 23 * 5.5cm / 11.50 * 9.06 * 2.17in Microphone: Frequency Range: 610-690MHz Channel: 30 channels Oscillation Mode: DSP chip frequency lock Frequency Stability: 10ppm Frequency Power: 10dBm Frequency Response: 40-18kHz Distortion: 0.5% Working Time: 4-8 hours Power Supply: 2 * 1.5V AA battery (NOT included) Size: 245 * 52 * 52mm / 9.65 * 2.05 * 2.05in Weight: 255g / 9.02oz Receiver: Channel: 30 channels Oscillation Mode: DSP chip frequency lock Frequency Stability: 10ppm Receiving Sensitivity: -95~-71dBm Frequency Response: 40-18kHz Distortion: 0.5% Signal to Noise Ratio: 90dB Audio Output: Max. 300mV Power Supply: 750mAh lithium battery Package List: 1/2 * Handheld Microphone(Optional) 1/2 * Microphone Silicone Ring(Optional) 1 * Receiver 1 * 3.5mm Conversion Plug 1 * USB Cable 1 * Manual (English)