Origin:China MainlandModel Number:Hearing aids TWS01 battery:Rechargeable Digital:YES Bluetooth hearing aids:Resound Listening Device:Elderly Deafness Hearing aid in ear:Mini rechargeable Sound amplifier:High Quality Deaf Hearing Aids 16 channels:Hearing aids for deafness Severe Loss:Moderate loss Noise reduction:Amplifier Headphone amplifier:High quality hearing aids Powerful hearing aids:120db CIC hearing aids:Bluetooth hearing aid Audifono:Earplugs Noise Reduction Listen CIC amplifier:Amplifier Ear Hearing Amplifier:wireless hearing aid hearing aids digital:bluetooth hearing aid Hearing aids for deafness:Rechargeable Hearing Aids For Deafness aparelho auditivo:audifonos para sordera Rechargeable hearing aid:bluetooth Hearing Aids intelligent hearing aid:16 channel sound amplifier Hearing aids TWS01:Bluetooth Hearing Aids Does this device can connect a smartphone app? Old version APP: Please searchYaoSound AudioControlon Google Play market.Support Android only. New version APP: Applicable to all mobile phone models. New upgrade can adjust noise reduction function. ship and local ship are same,the goods is the same,just ship from different warehouse. Digital CIC hearing aids Bluetooth Hearing Aid 16 channel Wireless Earphones Programmable Rechargeable Sound Amplifier Ears First Aid Tools Resound Product Feature: 1.16 Channel WDRC hearing aid.This hearing device is designed for 40-60 years old people or people with hearing problems. 2.Blue-tooth 5.2 support music and phone.Support Programming Service,you can programming according to your hearing level. 3.Adaptive feedback inhibition.Advanced digital signal processing technology can intelligently reduce environmental noise and provide clear, high-quality natural sound. 4.Subband noise reduction,Full digital circuitry, low power consumption, adaptive noise reduction, and can prevents howling. 5.4 program hearing curve adjustment.Selected superior chip with fine sound quality and stable transmission performance. 6.Mobile magnetic charging 12 hours battery working.Long standby time. 7.Small convenient,Easy to carry.The compact charging box can be charged anytime, anywhere. 8.Real sound with both ear. Product Parameter : 1.OPSL90:118dB 2.HFA:(Sound Gain 40dB) 3.Equivalent Input Noise:21dB 4.Battery:68mAH 5.WDRC Channel:16 6.Total Harmonic Distortion:3% 7.Frequency Rang:200-6000Hz 8.Charging Time:2 hours 9.Working Time :8-12 hours 10.Oper Ation Environment:0~40C,30%~ 75%RH,860- 1060hPa 11.Storage Environment:0 ~40C,75%RH,700- 1060hPa 12.Blue-Tooth:BT5.2 (Phone and music support) 13.ECHO Cancellation:Support 14.Environment Noise Cancellation:Support Exquisite and fashion mini design,This Device support connect your phone to answer the phone, listening to the music, watch TV. 16 Channels WDRC Hearing aid, support to programming according to your hearing level. CONTROL BUTTONS, EASY OPERATION The volume can be adjusted with a single tap, making the operation easier. Volume adjustment: Volume up(Double click); Volume down(Single click) BLUETOOTH CONNECTION,SINGLE AND DOUBLE SWITCH Conncet the mobile phone via Bluetooth to achieve more adjustments and make the hearing aid more suitable for you.Left/right/binaural.switch at will. ADAPTIVE NOISE REDUCTION Through the calculation of the noise reduction chip,the environmental noise is filtered to protect you from noise. LONG BATTERY LIFE JUST REST ASSURED Equipped with a charging box, put it in and automatically charge, and automatically power off when it is full.You just need to charging for 2 hours, then you can use for 12 hours. APP ADJUSTMENT, FREE ADJUSTMENT Adjust the EQ equalizer through APP to make the sound clearer and let the hearing aid understand itself better. Package List: Audfonos bluetooth 16 canales audfonos inalmbricos digitales prdida auditiva grave recargables altavoces auriculares porttiles Bluetooth 16 Canais Aparelho Auditivo Recarregvel Conexo Do Telefone Rudo Reduzir Amplificador De Som Aparelhos Auditivos Fone De Ouvido Para Surdez Bluetooth 16 Bluetooth 16 - Does this device support Bluetooth or not? What the version? Yes, this device is Bluetooth 5.2. You can listening music, calling and watching TV by Bluetooth. (Specially note: For IPHONE, when call coming must take call by press the key on hearing device or change the voice source to hearing devicechannelmanually on IPHONE, otherwise there is no sound in hearing device.) Does this device can connect a smartphone app? Old version APP : Please searchYaoSound AudioControlon Google Play market.Support Android only. New version APP : Applicable to all phone models. New upgrade can adjust noise reduction function. What exactly can be adjusted by APP? Bluetooth enabled in 30s after take it