Product Manual

3. Advanced echo cancellation technology, noise elimination technology, whistling suppression technology and dynamic noise suppression technology in the industry are adopted,
which can be used in noisy environment.
4. The built-in high-power speaker has full sound and good reducibility. It can truly restore people's timbre and tone, output high-quality sound and ensure sufficient
coverage.
5. The Bluetooth model adopts a newly upgraded Bluetooth 5.0 chip, with a transmission distance of up to 10 meters, stable transmission, anti-interference and comfortable.
6. The Bluetooth model has a built-in lithium battery, which can charge the machine through the type-C interface. It can work continuously for 4 hours when fully charged.
7. Equipped with intelligent two-color LED light, it can easily display the status of various functions, such as power, volume, mute, etc.
8. 8 touch interactive keys: Bluetooth connection, battery power, Bluetooth phone hang up, power switch, Bluetooth phone answer, microphone mute, volume increase and volume
decrease, which is convenient for users to operate.
9. Support external headphones or loudspeaker with power amplifier.
Technical indicators
Microphone parameters
Model of
complete
machine
KS-BU2B (USB + Bluetooth)
Main chip
AndesCore V3 32bit Mcu
Microphone
2 omnidirectional microphones
sensitivity
-38±1dBV
Signal to noise
ratio
65dB(A)