2.4GHz Wireless Microphones with Laser Pointer and Ppt Controller

Product Name: 2.4GHz Wireless Microphones with Laser Pointer and Ppt Controller Model NO.: SOYO-WTG07 Sound Field Force: Pressure Differential Type Transducer Principle: Electrodynamic Microphone Directivity: Omni-direction Signal Transmission: Wireless Application: Voice, Recording, Meeting, Amplify, Classroom/ Church Frequency: 2400MHz~2483MHz Response: 20Hz~20kHz (+/-1db) Sampling Ratio: 64k@16-Bit*2 Sound Quality: Hi-Fi HDCD Digital Modulation: Gfsk Sn Ratio: 95db Dynamic Range: 90db Distortion: 0.8@1kHz Function: Supporting 100 Classroom Microphone Talking Simult Applicate: PA System/Church/Classroom Trademark: TP-WIRELESS Transport Package: Solid Package Specification: approved by CE/FCC/KC/CCC Origin: China HS Code: 85177090 Product Description RF Stick Wireless Microphones For Teacher (stick mic type)A. RF wireless stick microphonesB. RF stick wireless microphonesC. RF wireless microphones for classroomD. RF wireless microphones for teacherE. RF wireless classroom microphones solutionF. RF wireless teacher microphones solutionG. CE/FCC/TELEC Certificates approvedModel: SOYO-WTG07Features: 1). Portable handheld type, support belt-clip and neck-hanging. 2). Powered by rechargeable Li-Battery. (continually working over 7 hours)3). Embedded Charge circuit with USB interface. 4). LCD screen shows channel, volume, power and charging status. 5). Supporting both internal and external microphone input. 6). Noise elimination circuit eliminating noise of switching on power on/off. 7). Build-in Laser pointer. 8). Build-in double high sensitivity internal microphone, satisfying on voice pickup. 9). Supporting MP3 playing music files. 10). Mute function automatically when no signal and week signal. 11). Unique PPT Page up and down function, best partner with projector, multi-media classroom screens for demonstration. 12). Strong in anti-interference, supporting over 100 classrooms using simultaneously and never crosstalk! >>> PLUS: As a manufacturer in 2.4GHz digital wireless classroom audio system for over 9 years, Soyo Technology offer full wireless teacher microphones and loudspeaker system: >>> for teacher: We have follow wireless microphone available for your choice: A. Handheld wireless microphone, B. Headset wireless microphone, C. Lapel wireless microphone, D. Body-pack wireless microphone, E. Belt-pack wireless microphone, F. Stick wireless microphone, etc>>> for classroom: We have follow items for classroom available for option: A. Wireless classroom loudspeaker versionB. Wireless voice amplification versionC. Portable wireless loudspeaker versionNO.ModelSOYO-WTG071DescriptionStick Wireless Microphone2Power(input voltage)3.7 V rechargeable lithium battery3Work currency120mA (MAX)4Operate temperature-25 ~ 85 ºC5Frequency2400 ~ 2483MHz6modulateGFSK7Channel width1 MHz8Transmit power20 dBm9Input levelMax 1.0Vpk10Input impedance10k Ohm11Input interfaceTwo kind input mode:1. Microphone input2. Stereo sound input12Output impedance1k Ohm13Input-output gain ratio1:114Delay2 ms15SNR95 dB16Distortion0.8 % @ 1kHz17Dynamic range90dB18Dimension116mm*35mm*18mm19Weight0.05kg