Tips: This product does not support extended memory cards!
Recording mode： HQ
Recording format：WAV
Maximum number of recorded files： 99
Memory card type： no expansion card is supported
Display： no screen
Transmission interface： USB 2.0
Microphone： 1
Number of microphones: one way
Recording distance： 10M
Video： video shooting is not supported
Battery：lithium battery
Shell material; ABS
Product size： 60X45X30 (mm)