H.J.Electronics

Supplier: Used mobile phone, used laptop, note book, ipad, pad, consumer electronics, speaker, headset. used cell phone
Services: International trade, wholesale, direct factory connecting, forwarding
Buyer: Used mobile phone, used laptop, note book, ipad, pad, consumer electronics, speaker, headset. used cell phone

Headset Key Features: 1. Ultra noise-cancelling microphone filters out background noise, so voice transmission is exceptionally clear. 2. Flexible boom allows the mic to be positioned for optimal comfort and voice transmission 3. Acoustic shock protection circuit 4. Adjustable headband can be adjusted 60mm 5. Flexible ear bud allows in the range of 180 degrees. 6. 330 degrees rotatable MIC boom 7. Quick-disconnect feature 8. Replaceable soft foam or soft leatherette ear pad optional 9. Unit driver: 27mm 10. Impedance 150 +/-20% 11. Frequency Response 300-3K Hz 12. Distortion: Less than 1% 13. Sensitivity: 108dB 3dB/mw at 1KHz 14. Omni directional Microphone 15. Frequency response: 20-3000Hz 16. Impedance: 2.2k ohm 17. Sensitivity:-42dB 2dB 18. SNR: 55dB 19. Distortion: Less than 1% 20. Warranty: 2 years, RoHS and CE approval 21. Made in China. Paper box size:18.5*14.5*6.7cm for one unit 10 unit/4kgs.

Headset Key Features: 1. Ultra noise-cancelling microphone ¡ª filters out background noise, so voice transmission is exceptionally clear. 2. Flexible boom allows the mic to be positioned for optimal comfort and voice transmission 3. Acoustic shock protection circuit 4. Adjustable headband can be adjusted 60mm 5. Flexible ear bud allows in the range of 180 degrees. 6. 330 degrees rotatable MIC boom 7. Inline volume and mute function 8. Quick-disconnect feature 9. Replaceable soft foam or soft leatherette ear pad optional 10. Unit driver: 27mm 11. Impedance 150 +/-20% 12. Frequency Response 300-3K Hz 13. Distortion: Less than 1% 14. Sensitivity: 108dB 3dB/mw at 1KHz 15. Omni directional Microphone 16. Frequency response: 20-3000Hz 17. Impedance: 2.2k ohm 18. Sensitivity:-42dB 2dB 19. SNR: 55dB 20. Distortion: Less than 1% 21. Warranty: 2 years, RoHS and CE approval. Paper box size:18.5*14.5*6.7cm for one unit 10 unit/4kgs.

Headset Key Features: 1. Ultra noise-cancelling microphone ¡ª filters out background noise, so voice transmission is exceptionally clear. 2. Flexible boom allows the mic to be positioned for optimal comfort and voice transmission 3. Acoustic shock protection circuit 4. Adjustable headband can be adjusted 60mm 5. Flexible ear bud allows in the range of 180 degrees. 6. 330 degrees rotatable MIC boom 7. Inline volume and mute function 8. Quick-disconnect feature 9. Replaceable soft foam or soft leatherette ear pad optional 10. Unit driver: 27mm 11. Impedance 150 +/-20% 12. Frequency Response 300-3K Hz 13. Distortion: Less than 1% 14. Sensitivity: 108dB 3dB/mw at 1KHz 15. Omni directional Microphone 16. Frequency response: 20-3000Hz 17. Impedance: 2.2k ohm 18. Sensitivity:-42dB 2dB 19. SNR: 55dB 20. Distortion: Less than 1% 21. Warranty: 2 years, RoHS and CE approval. Paper box size:18.5*14.5*6.7cm for one unit 10 unit/4kgs.

Headset Key Features: 1. Ultra noise-cancelling microphone ¡ª filters out background noise, so voice transmission is exceptionally clear. 2. Flexible boom allows the mic to be positioned for optimal comfort and voice transmission 3. Acoustic shock protection circuit 4. Adjustable headband can be adjusted 60mm 5. Flexible ear bud allows in the range of 180 degrees. 6. 330 degrees rotatable MIC boom 7. Quick-disconnect feature 8. Replaceable soft foam or soft leatherette ear pad optional 9. Unit driver: 27mm 10. Impedance 150+/-20% 11. Frequency Response 300-3K Hz 12. Distortion: Less than 1% 13. Sensitivity: 108dB 3dB/mw at 1KHz 14. Omni directional Microphone 15. Frequency response: 20-3500Hz 16. Impedance: 2.2k ohm 17. Sensitivity:-42dB 2dB 18. SNR: 55dB 19. Distortion: Less than 1% 20. Warranty: 2 years, RoHS and CE approval 21. Made in China. Paper box size:18.5*14.5*6.7cm for one unit 10 units/3kgs.

Headsets Product features * smallest, lightest blackberry with full qwerty keyboard in exclusive red color--weighs just 3.9 ounces * internal gps receiver with support for telenav software; at&t exclusive push-to-talk (ptt) walkie talkie-style communication * 2.0 megapixel camera with flash and 5x digital zoom; bluetooth wireless connectivity with with stereo headset support * 1100 mah rechargeable battery provides 240 minutes of talk time, 408 hours of standby time * includes: battery, charger, handsfree headset and usb cable Dimensions * size (lwh): 4.21 inches, 2.36 inches, 0.61 inches * weight: 3.94673721340388 ounces Product features * network compatibility: gsm Weight 5.0ounces / 140 grams

1. The professional class headset, comfortable to wear all-day 2. The Ultra Noise canceling Mic filters 80% background noise 3. 300° adjustable microphone boom offers optimal speech clarity 4. Ultra FlexTM MIC wires, boom rotation>10k times 5. Teflon washer increases stability and ensures optimal durability 6. Hearing protection with Active ProtectionTM technology 7. Quick Link(QLTM ) function can make you leaving telephone while wearing the headset 9. Option for binaural style 10.Apply for Microsoft Lync,Avaya, Cisco system,Skype and softphone

Key Specification: Earphone: Degree of distortion:less than 3% Rated input power:30mW Max input power:50mW Voltage:3.0 V Electricity:150uA ~ 450uA Voltage range:1.1 ~ 10.0V Degree of distortion:less than 3% carton