SHIDU 18W Portable Voice Amplifier Wireless UHF Microphone Recording AUX TF USB Flash Waterproof Bluetooth Speaker For Teacher
Note:
Before turn on the amplifier, ensure that the MIC don't point at the amplifier, this will eliminate any annoyance associated with howling. For ensure better amplification, aim at the headset MIC capsule when speaking, and keep the distance between the voice amplifier and the MIC more than 60 cm to avoid howling.
Simply tucking the speaker around waist, and mounting headphone over head can help achieve the required distance.
Specifications:
1. Output Power: 18W
2. Charging Voltage: DC 5V
3. Lithium Battery: 3.7V/2200mAh*2pcs
4. Working Time:With 50% Volume
8~10 Hours (musical mode);
10~15 Hours (MIC mode)
5. Charging Time: 3~5 hours
6. Product Size: 120*96*45mm
7. Unit Weight: 392g
8. Available Color: Green; Black
9. Working Temperature: -10~45
10. Frequency Response: 90Hz~18KHz
11. Wireless Distance:30-35m
Main Featuers:
1. The New Born Waterproof Megaphone;
2. Power Display Shows Present Electricty Percent;
3. Bluetooth 4.2 Chip, Singnal Transmission More Fast And Stable;
4. Mobile Charger/ Power Bank Function;
5. Dual Voice Coil Speaker, Maximum Peak Up To 18W;
6. IPX 5 Waterproof
7. Two-Color Injection Molding, More Good Hand Feeling
8. Super MP3 Audio Encoding Technology --- Support TF Card &UFlashDisk;
9. Support AUX --- Can Connect With PC And Work As Speaker;
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Logistics information
Our products are located in Hong Kong, China, and the logistics speed depends on your specific location. According to our experience, it usually takes about 15-20 days of transportation time
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How to choose the correct size:
Step 1 Please measure your foot length carefully.
Step 2 Please choose the correct size according to your foot length and chinese size.
For example, If your foot length is 255 mm , you should choose the size 8.
