WinBridge WB378 10W Rechargeable Portable Voice Amplifier With Headset Microphone

Technical parameters 1. Output power: 10W 2. Charging Voltage: DC 5V, 500mA 3. Lithium battery: 1050mAh 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: 88mm*110mm*32mm 7. Unit weight: 220g 8. Available color: black 9. Working temperature: -10℃~45℃ 10. Frequency response: 90Hz~18KHz 11. Sound coverage: 500m2 Main features: 1.Built-in Hi-Fi inner magnetic --- more louder clear and soft sound; 2.Imported ABS material with high light technology,durable and wear-resistant; 3.One key record function , record playing your favorite song; 4.Super MP3 format music in TF card & USB flash drive; 5.FM stereo radio --- can automatically search and sane the radio; 6.Built-in high compressibility of high security environmental protection Lithium batteries; 7.Long standby and using time; 8.Sound coverage up to 400 square meters