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WISDOM TECHNO COMPANY LIMITED
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|Wireless Portable Bluetooth Speakers Hands Free Subwoofer Loudspeakers Musical Audio with LED Mic TF USB FM Radio
Description:Speaker type: portable Bluetooth speakersAdjustment method: buttonFeatures: Bluetooth audio input, Bluetooth hands-free calls, LINE IN, TF card, U diskPower supply: DC 5V, lithium battery (400mah) with double securityEffective power: 3WSignal to noise ratio:> 80DBDistortion rate: <0.5% @ (1KHz)Frequency: 90Hz-20KHzAudio interface: 3.5MMImpedance: 4ΩPlay time: 3HoursSpeaker size: ∮: 5.5mm, H: 5.8mmSpeaker weight: 200GBluetooth version: Bluetooth2.1Operating frequency: 2402-2480MHTransmission range: up to 10 meters, the data is measured in the open non-mask area.Walls and buildings may have an impact on signal transmissionMaterial: ABS