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2 x MIC Line-in
USB is USB2
Sound and light alarm
Small folding and portable
1) Reading kilometer
Logitech R400 2.4Ghz Wireless Presenter PPT Remote Control Pen, R400 Waterproof Speaker 2 x MIC Line-inTransmitter: 1. Laser color: red light 2. Wireless frequency: 2. 4GHz 4. Operating distance: about 15 meters 5. Laser power: less than 1mW 6. Power supply: 2 x AAA batteries (not included) 7. Size: 37. 8x115. 5x27. 4mm 8. Weight: 57g Receiver: 1. System: Compatible with Window Vista 7 8 2. Interface: USB 3. Size: 16. 5x58. 6x7. 9mm 4. Weight: 6g Specification: Package Weight One Package Weight 0. 12kgs 0. 27lb One Package Size 15cm * 8cm * 5cm 5.
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