Transmetteur FM Bluetooth ALLISON ALS-A188 / Bluetooth version : V3.0+EDR / Frequency : 20h-20KHZ / Voltage : 5V+/-0.5 / Working current : 45mAh (maximum) / Standby current : 25mAh (maximum) / frequency : 2.402-2.480 ghz / Effective distance : 10m / RF output : 4 dBm / FM : 87. 5MHZ- 108.0MHZ / Emission power : 87 dBuv / 107dBuv / Effective distance : 5m.