PORTABLE WIRELESS SOUND SYSTEM Product Specification: Power output: Minimal 70 watt RMS/ 4W, capacity up to 700m2 indoor.  Consists of 2 microphones:  Handheld  Clip On (to be clipped on the shirt) Technical details:  2 (two) input microphone wired USB Port Cassette player with additional Pitch Control DVD/VCD/CD/MP3/CD Audio player  Remote control Video Output Video Output Cable Adjustable (high-low) Built-in handle Trolley Built in wheels located at the bottom of the equipments body 2 (two) unit built-in rechargeable Ni-Cad batteries to operate wireless minimum 8 hours non-stop and voltage source AC 90-260 volt/ DC 24 volt Wirelesss casing is made of polypropylene (PP) UHF frequency for receiver module and transmitter 2 (two) unit charger for microphones batteries Ni-MH (standard 9V ) - built-in at the wireless case and built-in space to keep the 2 (two) microphone. Microphone can be operated up to 100 meters from wireless unit 8 Full Range Speaker with frequencys responds 50Hz-18KHz = 3 dB Can be operated in charging position ISO 9001 quality Product Manuals in English Quantity to buy: minimum of 500 units Please provide: 1. Price per unit in US Dollar (FOB) 2. Delivery Time 3. Payment Terms and Methods