Kindbridge Bluetooth Headset Black 05 are designed to meet or exceed the OEM specifications.
Kingbridge Bluetooth Headsets are 100% quality controlled.
Shipping direct from China at low factory price.
Warranty
1 Year Warranty
Chinese Manufacturer Specifications :
Type: Bluetooth Headset 05
Bluetooth Chip:CSR module
DSP (Digital Signal Processing) actively reduces background noise for improved sound quality
Range of Frequency: 2.4GHz-2.4835Ghz ISM Band
Receive Sensitivity:-79dBm
Talk Time:Up to 15 Hours
Normal Charg Time:within 3 Hours
Standy Time:Up to 700 Hours
Operating Distance:10 Meters
Compatible with： 1.Alkalescent battery of AAA (1.5V/900MAH) 2.Rechargeable battery of NI-MH (1.2V/900MAH)
USB charger
Ear Compatibility: Adjustable for both left and right ear
Weight: 11.5grams without battery, 22.5grams with battery
Color: Black
Package Content: bluetooth headset, alkalescent AAA battery,ear hook,user manual,neck rope and ear foams
12 months warranty
Certification: CE, FCC
memo
A Bluetooth headset is a wireless headset. It implements Bluetooth technology to provide 2.45GHz-radio wireless connectivity for audio communication. The core subsystems include:
RF Front-End - includes RF filter, balun (line matching), and RF transceiver (Modulator/Demodulator/ADC/DAC). The RF front-end provides the wireless link through the antenna.
Baseband DSP/Microcontroller/Memory - the DSP processes physical layer protocols and audio data. The microcontroller runs the Bluetooth software stack stored in memory and controls the RF/host interfaces. The Bluetooth software and data are stored in ROM/RAM. Upgraded firmware may be loaded from FLASH memory.
Audio Codec - connected to microphone and earpiece to perform analog/digital conversions and bit stream coding/decoding to create audio radio.
Host Interface/Volume Control - host or user can use this serial interface to configure the processor, codec, or changes the volume.
Power Conversion - converts input battery power to run various functional blocks.
Battery Management - charges the battery using wall or USB voltage.
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