Bluetooth Hearing Aid Deaf Voice Loudspeaker Elderly Deaf Mini Rechargeable Adjustable Tone Sound

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 Tips: 1. Do not remove or replace the built-in lithium battery 2. The power adapter and the main unit have a certain amount of heat during the charging proce, which is normal. 3. Charge for at least 4 hours at the first time, and then use out completely . After three consecutive times, the battery can be used optimally. bluetooth Open Method: After booting, pre and hold the M button for about 3 seconds to hear a very clear sound, then the indicator light is blue that means the bluetooth function is turned on. bluetooth Connection Method: Turn on the bluetooth function of the mobile phone, enter the bluetooth search interface of the mobile phone system (or other smart device with bluetooth function), find the name of the bluetooth device of ZTQ and click the connection. After the connection is succeful, there will be a voice prompt for succeful pairing of ""Pairing succefully"". Note: When the battery is low, the bluetooth function will not be used, but the sound amplifier can work normally, because the power consumption of the sound amplifier is smaller, so please charge it when the bluetooth function is not used. bluetooth usage: 1. When a call comes in, pre the M button to answer or hang up, and pre and hold for 2 seconds to disconnect. 2. When playing music, short pre the M button to pause or resume playback. 3. If there is no sound signal for 10 seconds, the machine will automatically exit bluetooth mode to enter the hearing aid mode and exit the bluetooth connection after a period of time. Package Included: 1x Voice Sound Amplifier Device (High Quality Box Package) 1x Plug 1x USB Cable 1x Brush 1x User Manual

About shipping
Shipping and Packaging All items will be double checked and well packed before sending.Items will be dispatched within 2 business days after buyers pay for the order. It usually takes about 14 to 18 working days for delivering the package to the destination(for remote areas,it may take a little longer). 

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