JK Audio BlueDriver-F3 JK Audio BlueDriver-F3 Bluetooth Wireless Audio Interface - 120-240 VAC Power Supply - Universal Charger Adapter Kit - 3.5mm Mini Stereo Cable (1m) - JK Audio 2 Year Limited Warranty Input: 3 pin female XLR: 1kOhms, -34 dBu nom. Output: 1/8" (3.5mm) stereo: 1.1kOhms, -34 dBu nom. Bluetooth Standard: 3 Bluetooth profiles: HF = full duplex voice, 300Hz - 3400HzHD Voice (Wide Band Speech) = 50 Hz - 7 kHzA2DP = 30Hz - 17 kHz, master to slave