- Item Type:Ear Care
- Size:1.9 x 1.4 x 1.6cm
- Max Sound Output:≥120 dB
- Item Size:1.9 x 1.4 x 1.6cm
- Quantity:1 set
- Net Weight:3g
Max Sound Output: ≥120 dB
Max Sound Gain: ≥30 dB
Symphonious Wave Distortion: f<1000Hz≤10%,f>1000Hz≤4%
Recurrence Range: 250～3800 Hz
Info Noise: ≤50 dB
Battery: AG3 Button battery (included)
Working Voltage: dc1.5V
Working Current: ≤4mA
1.High quality undetectable portable hearing assistant sound enhancer
2. Very smaller than usual size and light weight, not actually to be seen
3.Adjust volume to the base before wearing
4. Increment volume step by step to maintain a strategic distance from unexpected increment in sound
5.Convenient for watching motion picture, appreciating the dramatization, going to meeting, or having class, it could enable you to hear the sound unmistakably and boisterously
1.Adjust volume to the base before wearing.
2.Choose an earplug of somewhat greater size to evade whistler.
3.Increase volume bit by bit to keep away from unexpected increment in sound.
4.If you hear a wailing, check the ear (silica gel) is proper and whether the measure of attachment is tight, the suitable selection of earplugs and stopped, ensure no air spillage.
5.Remove the battery in the event that you don't utilize it for long time.