Brand Name:Chengde
Model Number:K450/Q460/K451/K480
Style:Ear Hook
Communication:Wired
Connectors:3.5mm
Use:Portable Media Player
Function:Noise Cancelling
Place of Origin:Guangdong, China
Cord Length:Dongguan
Waterproof Standard:IPX-2
Active Noise-Cancellation:No
Material:Protein Leather+memory Foam
Package:Poly Bag
Colors:Black or customized
Logo:Customized Logo Welcomed
Usage:replacement pads
Brand Name:Chengde
Model Number:E7
Style:Ear Hook
Communication:Wired
Connectors:3.5mm
Use:Portable Media Player
Function:Noise Cancelling
Place of Origin:Guangdong, China
Cord Length:Dongguan
Waterproof Standard:IPX-2
Active Noise-Cancellation:No
Material:Protein Leather+memory Foam
Package:Poly Bag
Colors:Black or customized
Logo:Customized Logo Welcomed
Usage:replacement pads
Grade of Waterproof: IPX7
Speaker: 8mm * 2 and 6mm * 2
Bluetooth Version: V5.0
Transmission Distance:15-20M
Talking Time:6.0 Hours
Music Time:6.0 Hours
Battery Capacity:45mAh
Product Dimensions:45.6*25.7*15.5MM
Charger box battery capacity: 450mAh
Charger box dimensions: 72.3*31.4*29.4MM
Function: waterproof, microphone, supports music and call,
detached binaural when taking a call
mini and portable, easy to carry away
skip the next/last songs
pair and turn on/off automatically
double loudspeaker to improve the sound quality
Enabled by the advanced csr Bluetooth 4.0 technology, the stereo headphones boast an unmatched wireless range of up to 33 feet, built-in rechargeable li-ion battery charges quickly in 1.5 hours and provides playback for 6 hours and up to 30 hours of standby time
Fully charged the battery before using it the first time, built-in microphone and in-line control provide effective hands-free solutions for streaming music and answering phone calls
There are 4 buttons including an on/off button, multi-functional button, answer/end call button and a volume/music button, Bluetooth headset is compatible with virtually every Bluetooth enable devices such as cell phones, laptops, pcs, tablets and tvs
Can be used as a wired headset as well with the provided 1.5m audio cable, enabling you to listen to music without using the battery, perfect for use while working out, enjoying your favorite sport, relaxing at the beach, between meetings for work or waiting at the doctor's office
Built-in rechargeable li-ion battery charges quickly in 1.5 hours and provides playback for 6 hours and up to 30 hours of standby time, fully charged the battery before using it the first time
Built-in microphone and in-line control provide effective hands-free solutions for streaming music and answering phone calls
There are 4 buttons including an on/off button, multi-functional button, answer/end call button and a volume/music button
Exclusive and unique technique to develop this noise killer earphone with Microphone!
No background sound or noise be received through the microphone, so the receiver side will not hear your background sound or noise. It totally only your sound be sent out to the receiver.
WORLD ONLY FUNCTION FOR BLUETOOTH EARPHONE!!
Act like you are located in very quiet area and no one know you where you are!!
Extremely suitable for noisy environment require to calling or receiving phone calls.
Tremendous function ever!!
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.
Brief Decreiption
Digital USB-to-headset adapter for computers
Eliminates issues with soundcard compatibility.
User accessible side tone
Accessible call control buttons
Commercial-grade design
For use on Windows 2000, XP and Vista
Support MS Lync, Avaya, Cisco, Aastra, Polycom, and other UC platforms.
Headset Key Features:
Comfortable Adjustable headband design can be positioned for optimal comfort
Ultra noise cancelling microphone
Flexible boom allows 350 adjustable the mic to be positioned for optimal comfort and voice transmission. Swing-away feature lets you move the mic out of the way for beverage breaks.
UltraFlex TM MIC wires improve the life of boom rolling
Omni directional microphone can be passed in a quiet environment, clear sound
Teflon washer support increases positioning accuracy, stability and ensure optimal durability
Hi-Fi audio quality with Neodymium speakers
Wideband audio frequency makes more natural voice
Adjustable headband can be positioned for optimal comfort
Quick-disconnect feature provide an easy way to step away from the phone without disconnecting the call or even removing your headset.
Acoustic shock protection circuit
ActiveProtectionTM safeguards the user from the effects of an acoustic burst
Quick Link(QLTM ) function can make you leaving telephone while wearing the headset
Warranty: 2 years, RoHS and CE approval.
Speaker
1. Unit driver: 27mm
2. Impedance 150 +/-20%
3. Frequency Response 300-3K Hz
4. Distortion: Less than 1%
5. Sensitivity: 108dB 3dB/mw at 1KHz
Omni directional Microphone
6. Frequency response: 20-3000Hz
7. Impedance: 2.2k ohm
8. Sensitivity:-42dB 2dB
9. SNR: 55dB
10. Distortion: Less than 1%.
Paper box size:18.5*14.5*6.7cm for one unit
10 unit/4kgs.
