Specification LED RGB Light Speaker Diameter φ50mm Impedance 20 Ohms Frequency Responses 20Hz – 20KHz Sensitivity 110dB S.P.L.at 1KHz Rate Power 20mW Aggregate Capability 50mW Mic Diameter 6.0x 2.7 mm Mic Sensitivity -42db±3db Cable Length 210cm (±15mm) Earpad PU Leather Connector Jack 3.5mm + USB for LED Power