XINGMA XM-707T Voice Amplifier Behind Ear Mini Micro Hearing Aid & Batteries
XINGMA XM-707T Voice Amplifier Behind Ear মিনি হিয়ারিং এইড এন্ড ব্যাটারি
Standard frequency = 300-3000 Hz
Maximum volume output = 129 ± 5 dB
Input interference level: ≤28 dB
Operating temperature = 5-40
Storage temperature = 0-38
Maximum humidity <80%
Dimensions L x W x H: 92 x 72 x 32 mm
Weight: 110 g
Kindly Remind:
1.Adjust volume to the minimum before wearing.
2.Choose an earplug of slightly bigger size to avoid whistler.
3.Increase volume gradually to avoid sudden increase in sound.
4.If you hear a howling, check the ear (silica gel) is appropriate and whether the size of plug is tight,
the appropriate choice of earplugs and plugged, make sure no air leakage.
5.Keep the ear plug clean.
6.Remove the battery if you don't use it for long time.
