http://www.sz-wholesale.com/rss/Headset.xml Headset,Wholesale Headset en-us Global Wholesale and Distribution Center http://www.sz-wholesale.com/p/Headset/headset-104466.html Frequency:20-20000Hz Sensitivity: 115dB¡À3% Impedance:32ohm Max output power:100mW Cord length£ºApprox2.1M Plug type £º3.5stereo Drive unit:40mm headset Wholesale, http://www.sz-wholesale.com/p/Headset/headset-104467.html Frequency:20-20000Hz Sensitivity: 111¡À3% Impedance:32ohm Max input power:100MV Cord length£ºApprox2.1M Plug type £º3.5stereo Drive unit:40mm headset Wholesale, http://www.sz-wholesale.com/p/Headset/headset-104468.html Frequency:20-20000Hz Sensitivity: 111¡À3% Impedance:32ohm Max input power:100MV Cord length£ºApprox2.1M Plug type £º3.5stereo Drive unit:40mm headset Wholesale, http://www.sz-wholesale.com/p/Headset/Headset-104469.html Frequency:20-20000Hz Sensitivity: 118¡À3% Impedance:32ohm Max input power:100MV Cord length£ºApprox2.1M Plug type £º3.5stereo Drive unit:40mm Headset Wholesale, http://www.sz-wholesale.com/p/Headset/MP3-MP4-earphone-44168.html SPK: Φ15 Mylar speaker Impedance: 32 +/ -15% Ohm Sensitivity: 108+/-3dBEffective Freq. Band: 20Hz-20KHz Rated input power: 3mW Max. Input power: 5mW MP3/MP4 earphone Wholesale, http://www.sz-wholesale.com/p/Headset/metal-MP3-MP4-earbud-44169.html Metal EarphoneSPK: ¦µ10 Mylar speakerImpedance: 32 +/ -15% Ohm Sensitivity: 91+/-3dBEffective Freq. Band: 20Hz-20KHz Rated input power: 3mW Max. Input power: 5mW metal MP3/MP4 earbud Wholesale, http://www.sz-wholesale.com/p/Headset/Handsfree-Earphone-44171.html Frequency:20-20000Hz Sensitivity: 115¡À3% Impedance:32ohm Max input power:30MV Cord length£ºApprox1.1M Plug type £º3.5stereo Drive unit:15mm Handsfree Earphone Wholesale, http://www.sz-wholesale.com/p/Headset/Neckband-Headset-44172.html SPK: ¦µ30mm Impedance: 32 Ohm +- 10% Sensitivity: 98dB +-3dB(at 1K Hz) Effective Freq. Band: 20-20, 000Hz Length of cable: 2.3m +- 10% Plug: 3.5mm Neckband Headset Wholesale, http://www.sz-wholesale.com/p/Headset/Computer-Headset-44170.html SPK:Φ40 Mylar speakerImpedance:32+/-15% Ohm Sensitivity:104+/-3dBEffective Freq.Band:20Hz-20KHz Rated input power:10mW Max.Input power:50mWMIC:Φ6.0*5.0mmSensitivity:-52+/-2dB at 4.5V, 2.2KΩ (0dB=1V/Pa, 1KHz)Directivity:OmnidirectionalEffective Freq.Band:20Hz-20KHzMax.Operation voltage:10VStandard operation voltage:4.5V Computer Headset Wholesale, http://www.sz-wholesale.com/p/Headset/Neckband-Headset-44165.html SPK: Φ30mm Impedance: 32 Ohm +- 10% Sensitivity: 98dB +-3dB(at 1K Hz) Effective Freq. Band: 20-20, 000Hz Length of cable: 2.3m +- 10% Plug: 3.5mm Neckband Headset Wholesale, http://www.sz-wholesale.com/p/Headset/Computer-Headphone-44166.html SPK:¦µ40 Mylar speakerImpedance:32+/-15% Ohm Sensitivity:102+/-3dBEffective Freq.Band:20Hz-20KHz Rated input power:10mW Max.Input power:50mWMIC:¦µ6.0*5.0mmSensitivity:-52+/-2dB at 4.5V, 2.2K¦¸ (0dB=1V/Pa, 1KHz)Directivity:OmnidirectionalEffective Freq.Band:20Hz-20KHzMax.Operation voltage:10VStandard operation voltage:4.5V Computer Headphone Wholesale, http://www.sz-wholesale.com/p/Headset/Headset-44167.html Speaker: 40mm Impedance: 32+-15% Ohm Sensitivity: 105+-4dB Frequency range: 20Hz-20KHz Rated power: 20mw Mic: B6. 0X5. 0mm Sensitivity: -52+-2dB at 4. 5V, 2. 2KΩ (0dB=1V/Pa, 1KHz) Directivity: Omnidirectional Frequency range: 20Hz-20KHz Packing size 79*61*53. 5CM: (60PCS/Box) G. W.: 185g Headset Wholesale,