Wireless Microphone The microphone uses the latest UHF wireless technology. Multiple sets of microphones can be used at the same time without interfering with each other. 165 feet wireless transmission. The transmission is stable. LED Digital Display The microphone has a digital LED display. It can display battery level, volume and frequency.Easy and simple to operate. Compatible with Multiple Devices Standard 3.5mm plug. Comes with a 6.35mm adapter. Compatible with all speaker and amplifier devices. For example: speakers / audio equipment / amplifier equipment / high power amplifier. USB Dual Charging Cable USB dual interface charging cable. The microphone and receiver can be charged simultaneously via the charging cable. Charging time is 2-3 hours, use time is 5-6 hours. Battery 3,7V 400mAh Battery Type Li-polymer rechargeable battery Transmission method UHF Transmission distance 0-50 meters Transmit power 15dBm Receiver sensitivity -106dBm Distortion <1% (1KHz) Signal to noise ratio ≥70db Previous page It is suitable for teacher teaching in large classrooms or multimedia classrooms. It is suitable for large-scale sports training or dance class. Microphones are used for large conferences or keynotes. The microphone is suitable for tour guides or promotional activities. Next page 1 Lecturer Teaching 2 Dance Fitness 3 Conference Speech 4 Tourist Guide Wireless Microphone Headset U12AS Add to Cart U12FS Add to Cart U12A Add to Cart N80 Add to Cart Customer Reviews 4.0 out of 5 stars 2,160 4.0 out of 5 stars 2,160 4.0 out of 5 stars 1,273 4.1 out of 5 stars 2,139 Price $29.99$29.99 $49.99$49.99 $29.88$29.88 $32.99$32.99 Wireless Microphone ✔ ✔ ✔ ✔ Wireless Connection Method UHF UHF UHF 2.4GHz LED Digital Display ✔ ✔ ✘ ✘ Microphone Type Single Microphone Dual Microphone Single Microphone Single Microphone Frequency Conversion ✔ ✔ ✔ ✘