• • • • Description • Reviews • Q&A Specification General Type KOMC Model 6400 Working Current 30-60 mA Sensitivity 90dB-100dB Current Standby Current: 1-2mA Transmission Power: Class 2 Shutdown Current: 1-5uA Transmission Distance 10-15 meters Wireless Frequency 2.4-2.48GHZ Speaker Impedance 32ohm Charging Voltage DC5-5.5V