Bộ Micro không dây chuyên dụng cho giáo viên

UHF Wireless Headset Portable Recharage Microphone System with Speech Teacher Bodypack Transmitter The mic is a real UHF working band system, the working frequency can be change, sound is very quiet, and nice for outdoor use, it is small in size and easy to bring and use. Features: The wireless lapel microphone system has powerful wireless signals, reliable signal within the operating range up to 260-feet in open areas, perfect for live performance. 30 selectable channels, for seamless, interference-free operation, perfect to be used for a mobile DJ. An energy saving LCD information display provides constant monitoring of system operation, receiver battery condition indicators with low-battery warnings, you can know the microphone working status well during performance. Setting up a wireless mic is as simple as plugging in a wired microphone, widely used for video recording, wedding, interviewing and broadcasting with camera. The transmitter and the receiver can be charged by the normal phone power bank or powered by phone power bank. Adjustable working frequency. Specifications: Color: gold, grey (optional) Type: transmitter, receiver (optional) Input voltage: 220V Working distance: 30-50m Battery: 3.7V, 450mAh Transmitter size: 93 * 31 * 20mm / 3.7 * 1.2 * 0.8in Receiver size: 80 * 30 * 30mm / 3.1 * 1.2 * 1.2in Package size: 160 * 145 * 50mm / 6.3 * 5.7 * 2.0in Package weight: Transmitter: 78g / 2.8ounce Receiver: 33g / 1.2ounce Package List: 1 * Receiver