Retekess TR503 FM Microphone Headset Voice Amplifier for School Teaching/Church

Description

Feature: Easy to pair with various FM support devices, such as loudspeakers, amplifiers, FM radios and automotive audio systems. Large screen display frequency and volume. The volume of the speaker can be adjusted remotely on the microphone. The built-in rechargeable lithium-ion polymer batteries can support up to 10 hours of use after full charging and are environmentally friendly for long-term use. Long FM wireless transmission distance of up to 15 meters , available channels of up to 225 with no signal interference,Transmission frequency: 87.0 Mhz to 108Mhz. Widely compatible for teaching , tour guid, sale , speech , conference , karaoke and more.
Retekess TR503 Deals Hands-free Wireless FM Condenser Microphone Headset Megaphone Radio Mic for Tour Guide Salesman Teacher Host Speaker Conference and Karaoke
Feature:
Easy to pair with various FM support devices, such as loudspeakers, amplifiers, FM radios and automotive audio systems.
Large screen display frequency and volume.
The volume of the speaker can be adjusted remotely on the microphone.
The built-in rechargeable lithium-ion polymer batteries can support up to 10 hours of use after full charging and are environmentally friendly for long-term use.
Long FM wireless transmission distance of up to 15 meters , available channels of up to 225 with no signal interference,Transmission frequency: 87.0 Mhz to 108Mhz.
Widely compatible for teaching , tour guid, sale , speech , conference , karaoke and more.
Specifications:
Lithium battery: 250mAh
Charging Voltage: DC 5V, 1000mA
Max Output power: 1MW
Working time: 8~12 hours
Charging time: ＜4 hours
Product Size: 116mm*86.6mm*40.7mm
Frequency Response: 87MHz~108MHz
Package include:
1 x TR503 transmitter
1 x USB cable
1 x User manual
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