Product Name: Mini Portable Wireless Microphone Voice Loud Booster Amplifier Speaker Model NO.: BD-AS01 Element Number: Push-Pull Amplifier Voltage: AC 110V Sound Channel: 2.1 Function: Pre-amplifier Tube Type: Transistor Amplifier Used For: Professional Usage: Hi-Fi Type: Mini Amplifier Material: imported ABS Output Power: 10W Frequency Response: 90Hz~18000Hz Input Signal: Wireless Receiver/MP3/WMA/Wired Mic Working Temperature: -10c~45c Charging Voltage: DC 5V 500mA Working Time: 8~10 Hours (Musical Mode) Charging Time: 3~5 Hours Wireless Distance: 20-25m Trademark: Best Dragon Transport Package: 40PCS in One Carton Specification: CE, FCC Origin: Changzhou Product Description Standardpackage1*mainmachine1*waistband1*2.4Gwirelessmicrophone1*USBchargingcable1*usermanualTechnical parameters:1. Output power: 18W2. Charging Voltage: DC 5V, 500mA3. Lithium battery: 3.7V, 1000mAh4. Working time: 6~8 hours (musical mode); 8~10 hours (MIC mode)5. Charging time: 3~5 hours6. Product size: 98mm*88mm*43mm7. Unit weight: 224g8. Available color: blue; black9. Working temperature: -10ºC~45ºC10. Frequency response: 90Hz~18KHz11. Wireless distance: 20-25mMain features:1. Stylish, ergonomic and comfortable design;2. Adopt UHF high frequency wireless PA technology, transmission distance up to 35m;3. Adopt Hi Fi double magnetic trumpet --- powerfully treble and bass, fuller tenor;4. Adopt SHIDU original sound amplification electroacoustic system;5. imported microphone, intelligent circuit IC; maximum inhibitory howling problems;6. Super MP3 audio decoding --- support TF Card & USB disk;7. Support AUX --- work as speaker of computer, pad, mobile phone, etc.8. UHF wireless microphones with intelligent power saving function.Packaging Details:Gift box: 18.5*15*7.9cmCarton Size: 58*40.5*33.5cmQty/CTN: 30pcs/CTN;N.W/G.W: 13 / 14.5 Kg for Brand Name Amplifiers