usb port wireless portable speaker with fm radio

usb port wireless portable speaker with fm radio   Specification:   Basic functions: USB /SD/MMC card reader function,  wired microphone/one guitar input,two  MIC input ,FM 
Power Switch  Protection 
Power Supply: AC 110V ~ 220V (50-60Hz), built-in DC 12V/12AH a battery, external DC 12V power input
Frequency range: VHF 210-270MHZ one for two
Frequency response: 50Hz-18KHz ± 3dB
The microphone effect :25-50 meters
Wireless microphone can choose to use a hand-held or headset with microphone priority, the music volume automatically open microphone attenuation 75% in order to support the people speak a little background music
Rated  Power: 40W P.M.P.O:160W
Speaker:  6.5'' Horn Tweeter ,70 megnetic 
Sensitivity: 10dBμV (S / N the more than 60dB)
Oscillation mode: quartz oscillating locked ± 0.005% Shipping    1, Sample shipping: DHL / UPS / Fedex Express usually takes about 3-5 working days to destination, it is  about 5-8 working days by EMS or TNT.  2, Formal order for large quantity: Suggested Ocean Shipment. 3, We will send the all goods within 2 working days after the balance payment has been confirmed 4, If has nominated forwarder, please kindly inform us with forwarder's details 10 days prior for shipment,  If no, we will introduce our cooperated Logistics Company which is with full experience and professional.       Our Services   1, All products are packed with neutral color box if no any requesting and orde quantity below 1000 pcs 2, Order quantity over 1000 pcs, requested LOGO printing on color box and product is available.   Company Information