Standard EEG Channel No.: 16/24/32/64/128 Introduce Bluetooth technology transaction between EEG amplifier and host, eliminate the most obvious AC interference. Without connecting wire between patient and host, convenient for doctor's operation and patient free movement, especially for special patient examination. Safty. EEG amplifier powered by 4 AA battery, patient is free connection with AC. With wireless connection, patient will not pull down the equipment even during active period of Epilepsy. The wireless Bluetooth EEG amplifier integrated the function of signal amplification, analog-to-digital conversion, statistics storage. LCD and Wireless transaction. No need to use ground wire, suitable for different examine environment. With USB connection, able to desktop or laptop computer. Able to EEG monitoring electrode, subdural electrode to monitor EEG function during surgery. With USB connection, able to desktop or laptop computer.