Voice Amplifier Speaker Portable 2000mAh Speaker for Guides Teachers Speakers Long Standby EU Plug black

Feature: 1. It can last for 15 hours on a single charge. 2. Lithium battery, long life. 3. The sound amplification effect is good. 4. Easy to use. 5. Made of high-strength ABS plastic casing for durability. Specification: Electrical characteristics Maximum output power: RMS13W Frequency response: 100HZ-15KHZ Battery voltage: DC 7.4V Battery type: lithium battery Charge: During use, if the red LED light turns dark and gradually goes out, it means the battery is low and should be charged as soon as possible. When charging, please turn off the host, then plug the charger into the charging jack on the main unit. Connect the charger to the 220V power socket When charging, the LED indicator flashes red and green. When the LED turns green, it indicates that charging is completed. In order to extend the life of the battery, we recommend charging the battery after it has run out. Battery charging time is generally 6-8 hours or more, which is related to factors such as temperature and usage time. Host wearing: Use the belt carried with the main unit to hang the main unit at the waist and hang it in front of the body or behind the microphone. The microphone is directional, please make sure that the small hole on the microphone is aimed at the mouth (the sponge cover can be seen) The most suitable distance from the microphone to the mouth is 20-30MM The microphone is inserted into the corresponding jack In order to achieve the best is effective, it is recommended to use the original microphone Please try to avoid plugging and unplugging the microphone multiple times to avoid causing poor microphone contact. Start using the loudspeaker: Please wear the host correctly Please wear a microphone as required Turn the switch knob clockwise to light up, indicating that the main unit is turned on. Adjust the amplifier output volume with the volume adjustment knob If there is a howling, please turn down the volume appropriately and keep the microphone and the host at an appropriate distance. Package List: 1*1700 multi-function amplifier 1* belt 1* charger 1* headband headset 1* o cable 1* instruction manual Note: Due to the different monitor and light effect,the actual color maybe a slight different from the picture color. Please allow 2-3cm differs due to manual measurement.