1GB-8GB Memory, One Button Control. Low price, high quality Features: 2: High-sensitivity microphone supports high-clarity voice recording within 15 square meters 3: Replaceable cartridge, durable and environmentally friendly. 4: It can connect to any computer and other electronic equipment with USB interface 5: No requirement of driver and external power supply Package Content: 1 * Manual Specification: 2: Focus Range 150mm~Infinity 3: Memory Capacity 1GB--8GB 4: R/W Speed 900KBps (read), 700KBps (write) 5: Recorded Video Format MPEG4 -AVI, 352*288 6: Recorded Audio Format 128kbps PCM Audio 7: Power Supply Internal Battery, charged by USB port 8: Color: Black 9: Size (LxWxH) 14.8cm x 1.6cm x 1.6cm 10: Package Gross Weight 0.200kg 11: Package Size (LxWxH) 16cm x 15cm x 5cm 12: Package Type Color Box