Features:1) Sensitivity: 0dB = lv/Pa.1kHz2) Directivity: undirectional noise-cancelling3) Impedance: low4) Current consumption: max. 0.5mA5) Standard operation voltage: 1.5V6) Sensitivity reduction: w

Features:1) Speaker diameter: 40mm2) Impedance: 32Ω3) Microphone: 6 x 5-54dB±3dB4) Frequency response: 20-20,000Hz5) Rated power: 20mW6) Max. power input: 100mW7) Cable length: approx. 2.2m8

Product Name: Popular HeadsetModel Number: GB-FHPlace of Origin: ChinaFeatures:1) Speaker diameter: 40mm2) Impedance: 32Ω3) Microphone: 6 x 5-54dB±3dB4) Frequency response: 20-20,000Hz5) Rat

Features:1) With MP3 player, USB flash drive2) Paint: alloy surface3) Chip: skylark chip4) Playing time: can continuously play music for about 900 minutes afterfully charged5) Battery: rechargeable ba

Features:1) Color: black, white2) Key stroke lifespan: 30,000,000 times3) PS/2 port4) Plastic bottom5) Thin and light weight6) Laser printed keys7) Excellent performance on Internet and multimedia8) C

Features:1) Color: black, white2) Key stroke lifespan: 30,000,000 times3) PS/2 port4) Plastic bottom5) Thin and light weight6) Laser printed keys7) Excellent performance on Internet and multimedia8) C

1) With 3 buttons2) PS/2 port3) 800DPI4) USB and Combo available5) Image processing: 2,300fps6) Speed: 14"/s

Features:1) Speaker diameter: 40mm2) Impedance: 32Ω3) Microphone: 6 x 5-54dB±3dB4) Frequency response: 20-20,000Hz5) Rated power: 20mW6) Max. power input: 100mW7) Cable length: approx. 2.2m8

Features:1) Speaker diameter: 40mm2) Impedance: 32Ω3) Microphone: 6 x 5-54dB±3dB4) Frequency response: 20-20,000Hz5) Rated power: 20mW6) Max. power input: 100mW7) Cable length: approx. 2.2m8