... Design Support TF card, U-disk CE,FCC,ROHS approvel Door to door service OEM Logo Printing Beautiful Tulip Wireless Speaker Pretty ... , GPS, PSP, mobile phone, notebook computer, Hi-fi speaker,TF-card,U-disk.6.Perfect MID sound performance7.Strong bass effect ... response150-18000Hz (±3Db)Frequency range2.401-2 .480 GHz The receiver sensitivity <-90dBm, BER <0.1%SNR89dB Distortion<0.2%Operating ...