Description:High quality headphone, noise cancellation, airplane connector option1. Sensitivity at 1khz:105+/-3 db;2. Impedance:32+/-15% ohm;3. Speaker dia:40mm;5. Frequency response:140-10000hz;6. In

1. Powerfull Deep Bass Response2. High Power Stereo Driving Unit3. Frequency Response:180-15000Hz4. Distortion: Less than 5% at 1KHz 2mw5. Comfortable Earpiece Design6. Colors: Blue and Black7. In Lin

Bluetooth protocol: Version V1.1 / V1.2Latest Bluetooth technology, no line-of-sight problemWorldwide compatibilityFrequency: 2.4- 2.4835 GHzFrequency-hopping: 1600hops / secondSafe, low radiation lev

1. Easy USB connection2. With a built-in soundcard, you can enjoy music even without a soundcard in your computer.3. High quality ear cushion provides extra comfort4. Different colors available5. Inli

Stylish bluetooth mini-headset with changeable decorationBluetooth protocol: Version v1.1/v1.2Latest bluetooth technology, no line-of-sight problemWorldwide compatibilityFrequency:2.4- 2.4835 ghzFrequ

1. Stylish bluetooth mini-usb dongle with transparent housing2. Latest bluetooth technology, no line-of-sight problem3. Bluetooth v1.2 specification4. USB uhcl/ohcl spec 2.0 compliant5. Worldwide comp

1. Over the Head HeadsetThe conventional over the head handsfree provides extra comfort in a professional design. The headset is implemented with our noise canceling microphone, providing clear commun

Impedance: 32 ohmSPL:109 db/mwNorminal Power: 20 mwMax Power: 50mwFreq. Response: 130~7 kHZ

1.Sensitivity at 1KHz : 110+/-3 dB;2.Impedance : 32+/-15% Ohm;3.Speaker dia : 15.4mm;4.Mylar : 6u;5.Frequency response : 180-15000Hz;6.Input power : Nom2mw,Max3mw;7.Distortion : Less than 5% at 1KHz 2