Technical parameters:
Functions: shouting, alarm, recording, playback, multimedia USB socket
Power: > 15W
Distortion: <5%MAX
Transmission Distance: > 200M
Working voltage: 3.7V
Frequency response: 100Hz~10KHz
Recording time: 150 & plusmn; 10s
Charging time: about 6 hours
Speaking time: 10-20 hours
Size: about 132*202 mm
Weight: 0.6kg
