Type: wireless; Cable length/radius: 10 ;m; Weight: 108 ;y; Design: overhead, closed; Type emitters: dynamic; Speaker diameter: 34 ;mm; Nominal impedance: 32 ;Om; Frequency range: 18-22000 ;Hz; Sensitivity: 102 ;dB; Microphone: +; Adjusting the volume: +; The possibility of folding: +; Connectivity options: Bluetooth ; Battery type: battery; ...