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Havit
HAVIT Fuxi-H3 GAMENOTE QUAD-MODE (2.4GHz+BT+AUX) HEADPHONE
Tk
4400
Frequency Range: 2403-2477MHz
Charging Voltage: DC 5V 250mA
Charging Time:about 2.5h
Battery Capacity: （600mA/h 3.7V)
BT Headphone & Earphone
Bidirectional transmission system，higher audio quality.
high stability, low power consumption.
Adaptive frequency hopping technology，Friendly coexistence with WiFi and other wireless devices.
Electrical characteristics
Frequency Range: 2403-2477MHz
Charging Voltage: DC 5V 250mA
Charging Time: about 2.5h
Battery Capacity: （600mA/h 3.7V)
Rated Voltage: 3.7V
Standby Time: Max.20h
USB charging cable：1.8m±5cm
Loudspeaker specification
Impedance: 17±15% OHMS
Frequency Response: 20~20KHz
Drive Unit Dimensions: Φ40mm
Microphone specifications
Sensitivity: -42±3 dB
Directivity: Omnidirectional
Frequency Response: 100~10000Hz