Microphone FM radio over ear V4.1 ROHS mobile phone headset headphones wireless

Wireless version V4.1
Audio frequency scope 2.402GHZ~2.480GHZ ISM Band
Receiving sensitivity -80dbm
Communication distance ≥10M
Headphone capacitance 400mAh
Rated voltage 3.7V
External charging voltage DC 4.8-5.5V
Frequency response 20-20KHZ
Charging power source PC USB 5V
Charging time 2-3H
Support wireless , AUX ,TF card
Specification: Wireless version: V4.1 Operation range: ≤10m Battery capacity: 400mAh Driver Unit: 40mm Impedance: 32 Ω Charging voltage: DC5V Working time: 6-8h Microphone: built-in Power rating: 40mw Working voltage: DC3.7V Frequency: 20-20KHz Audio cable included Standy time: 20 days [video width="960" height="544" mp4="https://www.eeon-charger.com/uploads/headphone.mp4"][/video]

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