Description
Brand:ROMAN; Type:Earbuds (In Ear); General Use:Mobile Phone; Function:With Microphone; Communication:Bluetooth; Connectors:USB; Material:Plastic; Color:Black; Dimensions (cm):533; Weight (kg):0.01; Speaker Diameter:10mm; Microphone S.P.L.:-42dB±2dB; Microphone Impedance:≤2.2k; Microphone Frequency Response:75-16000Hz; Driver Type:Moving coil; Sound Channel:1.0; Input Voltage (V):5v; Bluetooth Version:V4.0; Frequency:2.402G-2.480G; Operating Range:10m; Working Voltage:3.5V; Standby Time:130H
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