Qcharx Flow Black speaker with blue handle.

-Bluetooth 5.3 version.
-Microphone.
-Signal-to-Noise Ratio: 75dB
-Sensitivity: 500MV
-Output power: 15W
-Distortion: 3%
-Frequency response range
-Frequency response range: 60Hz~20KHz
-USB/TF card capacity: = 64GB
-Audio format: WAV/MP3
-Battery: 1200Mah * 2
-Autonomy: 6 hours ( volume 50%)
-Charging power supply: DC5V/1.5A
-Charging time: 2H

Qcharx Headset White Lightning Cable

*Microphone parameters:

-Final sensitivity: -42+3DB(at0dB-1Vbar.1kHz)
-Frequency range: 100--10000Hz
-Directivity: Omnidirectional
-Output impedance: 2.2k?(max). at 1KHz
-Operating voltage range: 1~~~10v100--10000Hz
-Type: Electret condenser microphoneSignal-to-noise ratio: >55dB.
-Current consumption:150~~~500uA
-Base operating voltage: 3V.*

Speaker parameters:

-Impedance: 32 15% at 1kHz.
-Sensitivity: 116dB 3dB finish at 1kHz
-Frequency response: 20Hz?20KHz (shown in figure.1)
-Nominal input: 2.65mW
-Maximum input: 3-8mW
-Noise test: 252mV audio signal, swept in the frequency range from 100Hz to 3.4kHz.
-Sensitivity difference between left and right ear: ?3dB (at 1kHz).

-Bluetooth 5.3 version
-Support function: BT, USB, TF, AUX,TWS
-Signal to Noise Ratio: 73dB
-Sensitivity: 500MV
-Output power: 10W
-Distortion: < 3%
-Frequency response range: 40-18KHZ
-USB/TF card capacity: =64GB".
- Audio format: WAV/MP3
-Battery: 1500mah
-Autonomy: 4-6 hours (volume 50%)
-Charging power supply: DC5V/1.A
-Charging time: >1.5H

Qcharx Headset White Cable Type C

*Microphone parameters:

-Final sensitivity: -42+3DB(at0dB-1Vbar.1kHz)
-Frequency range: 100--10000Hz
-Directivity: Omnidirectional
-Output impedance:2.2k?(max). at 1KHz
-Operating Voltage Range: 1~~~10v 100--10000Hz
-Type: Electret condenser microphoneSignal-to-noise ratio: >55dB.
-Current consumption: 150~~~500uA
-Base operating voltage: 3V.

*Speaker parameters:

-Impedance: 32 15% at 1kHz
.-Sensitivity: 105dB 3dB finish at 1kHz
-Frequency response: 20Hz?20KHz (shown in figure.1)
-Nominal input: 2.65mW
-Maximum input: 3-8mW
-Noise test: 252mV audio signal, frequency sweep in the range of 100Hz~3.4kHz.
-Sensitivity difference between left and right ear: ?3dB(at 1kHz).

Qcharx Harmony TWS Headset in White colour.

-Function: Audio + call.
-Bluetooth Version: V5.3
-Charging time: 1.5 H
-Charging interface: Type C
-Case battery: 400 mAh
-Earpiece battery: 35mAh
-Autonomy: 5H (volume 80%)
-Standby time: 35H
-Talk time: 3H
-ENC

Qcharx Flowmax Black Speaker.

-Bluetooth 5.3 version
-Call function
-Signal to noise ratio: 75dB
-Sensitivity: 500MV
-Output power: 15W * 2
-Distortion: 3%
-Frequency response range
-Frequency response range: 60Hz~20KHz
-USB/TF card capacity: = 32GB
- Audio format: WAV/MP3
-Battery: 1500mah * 3
-Autonomy: 8-10 hours ( volume 50%)
-Charging power supply: DC5V/1.5A
-Charging time: 2H

Qcharx Pulse Headband Headset in Beige.

-Function: Audio + call.
-Bluetooth Version: V5.3
-Charging time: 3h
-Charging interface: Type C
-Battery capacity: 500 mAh
-Autonomy: Music (60-70 h) and Call (50-60 h).
-Noise reduction.

Qcharx Sound Headset TWS in White colour.

-Function: Audio + call.
-Bluetooth Version: V5.3
-Charging time: 2H(Case) 1,5H(Earphone)
-Charging interface: Type C
-Headset battery: 40mAh
-Case battery: 400mA
-Autonomy: 6h (80%)
-Standby time: 40 h
-Call time: 3.5 H
-Noise reduction.