Material: ABSBluetooth Handsfree Car KitMobile phone models: GeneralInstallation type: medium controlOutput mode: BluetoothInput voltage: 12-24 (V)Line length: 150 (CM)Packing size: 400*33*33 (mm)Packing quantity: 160 (Taiwan)Headphone Power: 0 (W)Working humidity: 0-90%Operating temperature: 0-50 (c)Power: FM emission (W)Microphone sensitivity: goodFrequency response: 20Hz-15KhzSpeaker resistance: 0 (Ohm)Speaker power: 0 (W)Noise: less than 60dB