Item Type: Wireless Microphone <br>Material: Metal <br>Function: Microphone <br>Scope of Application: Suitable for multiple types of equipment such as mixers and power amplifiers. <br>Microphone Built In Battery: 2 x AA Dry Battery (Not Included) <br>6.35 Receiver Built In Battery: 18650 Rechargeable Battery <br>Built In Battery Capacity: 1200mAh (Delivered with Supporting Battery) <br>Working Frequency: 640-669.5MHz. <br>Crystal Frequency: 24.576MHz, Crystal Adjustment Range: +/-20ppm <br>Occupied Broadband: 300KHz; Transmission Rate 204.8Kbps <br>Delay: The delay from microphone input to audio output is less than 3ms (48KHz sampling rate mode, do not use anti howling function) <br>Audio Signal to Noise Ratio: 96dB <br>Frequency Response: 30~20KHz <br>Dedicated Data Channel: 7Kbps, internal CRC check, audio and data use 32-bit encrypted word transmission1、Support Multiple Groups to Work Together: The UHF technology in this handheld microphone allows you to use up to 32 groups at the same time, and each group will not interfere with each other when working. <br>2、Fully Compatible: By inserting a 6.35mm mini receiver into these audio devices, it is widely compatible with PAs with microphone input, mixers, and speakers for voice amplification. <br>3、Stage Sound Quality: High quality sound transmission, clear sound, no feedback, no distortion. In the case of obstacles, the transmission range can reach 100 feet. <br>4、Long Working Hours: Plug and play. The AA battery powered microphone and the large capacity rechargeable battery in the mini receiver allow long hours of work. <br>5、Multi Purpose Application: Perfect choice for karaoke parties, DJs, weddings, churches, business meetings, classroom activities, outdoor or stage performances.<p>2 x Microphone</p><p>1 x Charging Cable</p><p>1 x 6.35 Receiver</p><p>1 x 18650 Battery</p><p>2 x Anti Slip Mat</p>