S328 Voice Amplifier

S328 Voice Amplifier Voice Amplifier Wireless Portable Voice Amplifier,Voice amplifier for teaching,Teaching Portable Voice Amplifier Item No.: S328 Rechargeable Voice Amplifier with UHF Wireless Microphone 10W Waistband Amplifiers for Teachers Main features: 1. Patented appearance; 2. Stylish, ergonomic and comfortable design 3. Imported ABS material with high light technology, durable and wear-resistant; 4. Hang the waist, shoulder or clip on the belt; 5. Imported MIC,