SHIDU 15W portable mini Personal Rechargeable Bluetooth PA Loudspeaker UHF Wireless Microphone Voice amplifier for teacher

$30.80 - $35.40

S93 SHIDU Newly Launch Rechargeable UHF Wireless Headset Mic Bluetooth Speaker voice amplifier FM Radio Voice Amplifier

$37.20 - $42.70

SHIDU Active Waistband Audio Player Bluetooth Amplification Speaker Powerful Portable Dual Wireless Wireless Voice Amplifier

$92.20 - $111.80

SHIDU Tour Guide Multi-functional Amplification Device 35w Powerful Portable Wireless Voice Amplifier With Handheld Microphone

$61.60 - $83.00

SHIDU Built in Rechargeable Batteries Loud Speaker AUX Play For 3.5mm Input Device Portable Wireless Microphone Amplifier

$23.70 - $28.00

SHIDU 10W Portable Personal Teaching Mini Rechargeable Teachers Classroom Speech Outdoor UHF Wireless Voice Amplifier

$21.20 - $28.60