说明

• Questions you care most about earlier than buying? 1 the product be charged? What charger is used? Yes, our products would be charged, you need to use your cellphone or digital product charger Can save you money 2 can I do with the Bluetooth function? When you don’t need to use the listening to relief function, you could activate the Bluetooth function and you may make calls and hearken to songs Specifications: Color: Blue, Beige(Optional) Charging Type: USB charging Maximal Sound Output: 118dB ± 4dB Frequency Range: 400Hz-3800Hz Equivalent Input Noise Level: ≤ 30dB Input Voltage: AC110-220V Output Voltage: DC5V Rated Power Supply Current Consumption: ≤ 2mA 1) Why there are some background noise? Actually, it is the electric latest sound present in all nice machines Generally, the better the power, the bigger the static sound Turning on after put it in ears, then turn up the sound progressively Generally, You will get used to it after 2-3 weeks 2) What causes the squeal? If the ear dome isn't always inserted effectively into ear canal or air leaks at the ear dome edges, when the device is close to hand or wall, a specific amount of sound will go back into the microphone The sound is re-amplified which causes that annoying whistle Try and select suitable ear dome Put the ear dome into the ear canal and make certain it fits snugly within Turning on the system after put it in ears 3) Why the labored pretty much for a few days yet a couple of days latter them don't work？ Please ensure the machine have been entirely charged PLease observed that the machine that you simply have been having issues of Whether there's earwax at the earplug? Once you wiped clean that, they will paintings larger Package Included: 1x Voice Sound Amplifier Device (High Quality Box Package) 1x USB Cable 1x Brush 1x User Manual Quickly Charge

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