WinBridge WB358 12 Watts Mini Waistband Voice Teacher Amplifier With Headset

Technical parameters 1. Output power: 18W 2. Charging Voltage: DC 9V, 650mA 3. Lithium battery: 7.4V,2pcs*1100mAh 4. Working time:with 50% volume 6~8 hours (musical mode); 10~15 hours (MIC mode) 5. Charging time: 3~5 hours 6. Product size: 98*88*43mm 7. Unit weight: 221g 8. Available color: rose red; sky; black 9. Working temperature: -10℃~45℃ 10. Frequency response: 90Hz~18KHz 11. Sound coverage: 2000m2 Main features: 1. Stylish, ergonomic and comfortable design; 2. High-quality double magnetic trumpet,more loud, clear and soft Sound; 3. Imported ABS material with high light technology,durable and wear-resistant; 4. One touch record function --- convenient & rapid in operation; 5. Imported MIC,advanced circuit IC, restrain howling phenomenon effectively; 6. Support AUX audio input --- can work as speaker of computer, mobile & pad; 7. Supports TF card & USB flash drive;