Shidu Wireless Voice Amplifier UHF - Rechargeable Battery
Designed with the classroom in mind, this wireless voice amplifier can be hung around your neck or left at the opposite side of the room from your teaching position. Not only will you save your voice but your pupils are less likely to lose attention.
Included in the pack are:
Voice Amplifier Speaker
Headpiece Microphone
Strap to allow speaker be worn around neck if desired
USB Charging cable (can be plugged into laptop or mobile phone charger)
Ultra Light Wireless (UHF) Portable Voice Amplifier
Ideal for teachers, presenters, tour guides, sports instructors. Also, as a voice amplifier for Parkinsons disease and larynx disorder patients.
Tech Specs
1. Output power: 10W
2. Charging Voltage: DC 5V, 500mA
3. Battery: 3.7V, 1800mAh
4. Working time: with 50% volume
10~15hours (MIC mode)
5. Charging time: 3-5 hours
6. Product size: 92*75*30mm
7. Unit weight: 121g
8. Available color: black
9. Working temperature: -10℃~45℃
10. Frequency response: 90Hz~18KHz
11. Sound coverage: 500㎡