Memory Size:N/A PC Interface:USB,Bluetooth-Enabled Combination:Radio Tuner,MPs Players,Bluetooth-Enabled Certification:CE,FCC Supporst Card:Yes Bluetooth version:V3.0+EDR Frequency:2.402-2.480GHz Sensitivity:-42db +/-3db Voltage:5V +/-0.5 Working current:45mA(max) Standby current:25mA(max) Effective distance:5m FM Frequency:87.5-108.0MHz Transmitted power:87 dBuv/107dBuv Color:Red, Blue Show More