Speaker driver 10mm speaker, speaker DC resistance:32ohmBluetooth version: V4.1 Power level: Class IIOperating voltage:3.5V-4.2V Microphone sensitivity: -43db+/-2dbBluetooth frequency band:2.4-2.48Ghz..

Stile: FasciaUso: Telefono mobileColore: Verde, Il nero, Browntipo di prodotto: wirless bluetooth 4.1 stereo headsetVersione Bluetooth: V4.1certificato: CE RoHs FCCparola chiave: auricolari senza fili..

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