Technical Pro H2502URIBT 2500 Watts Hybrid Amplifier Bluetooth Tuner with USB and SD Card Inputs iPod Compatible; USB input allows for direct connection with an iPod Bluetooth compatibility allows for wireless connection to any A2DP stereo Bluetooth device Records .wav files onto USB Flash Drive or SD Card from Tuner & RCA inputs 128 kbps / 44.1 KHz sampling rate on .wav file recordings luetooth compatibility allows for wireless connection to any A2DP stereo Bluetooth device