Features:1) Mic Type: Φ6mm x 5mm2) Impedance:maximum2.2KΩ3) Sensitivity: -58db ± 2db(0db=1v/pa)4) Directivity:omnidirectional5) S/N Ratio:More than 60db6) Sensitivity Reduction:Within

Speaker Specifications:1) Mic Type: Φ9mm x 7mm2) Impedance:maximum2.2KΩ3) Sensitivity: -58db ± 2db(0db=1v/pa)4) S/N Ratio:More than 60db5) Sensitivity Reduction:Within-3db at 1.5v6) M

Features:1) Mic type: Φ9mm x 7mm2) Impedance: maximum2.2kΩ3) Sensitivity: -58dB ± 2dB (0dB=1V/pa)4) Directivity: omnidirectional5) S/N ratio: more than 60dB6) Sensitivity reduction: wit

Main Features:1) Mic Type: Φ9mm x 7mm2) Impedance: Maximum2.2KΩ3) Sensitivity: -58db ± 2db(0db=1v/pa)4) S/N Ratio: More than 60db5) Sensitivity Reduction: Within-3db at 1.5v6) Mic Frequ

Model No.: TM-303MVProduct Origin: ChinaDetailed Product Description1) Mic Type: &Phi6mm x 5mm2) Impedance:maximum2.2K&Omega3) Sensitivity: -58db ± 2db(0db=1v/pa)4) S/N Ratio:More than 60db5) Sen

Main features1) 12.1 inches TFT high definition color LCD screen2) Support format: JPEG. MP3. MP1, MP2, MP4(avi3.0/4.0/5.0, wmv, DVD)3) Support memory card: SD, MMC, MS card.4) Support USB2.0 host5) T

Key features:Product Name: USB2.0 Video Class Driver Free PC CameraModel Number: SU31Place of Origin: China1) Hardware 350K pixels2) Software enhanced to 1.3 mega pixels or Video Class/DriverFree3) 1/

Main features:1) Hardware 2.0 mega/1.3 mega/350K pixels2) Software enhanced to 5 mega/2 Mega pixels/1.3 Mega pixels or Video Class/DriverFree3) 1/4" CMOS sensor4) USB2.0/1.1 interface5) Optional

Details:1).1.1" CSTN display2). Built-in 4mb flash memory, can store 56 photos3). JPG/BMP/GIF/PNG4). Auto/manual play5). Built-in rechargeable battery6). Dimensions:45x54.2x20.2mm7). Weight:32gPa