1. Invisible rain wiper for car
2. Super WE300B amplfier with ultra flat frequency response 20Hz-100Khz +/- 0.5 db
3. Miniature Vacuum tube MP3 player with 50 hours battery life, two AA battery cells in use.
4. Battery Car lasts for 1,000KM with one 4-hours-battery-charge!
5. Ultra Linear response Vinyl Moving coil Cartridge with channel separation 60db, flat response 10 Hz- 100Khz +/-0.5 db, output 0.3mV! Intend to sell at USD8,000.00 only.
6. Solar powered hand held air con for hiking
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