Hearing Wireless Behind Rechargeable Amplifiers Old Man's Deaf Ears Aids Bluetooth Type Listening to The Nature Sound

Description

Product Details:Type: Rechargeable hearing aidFeature : Analogue, Rechargeable, Bluetooth TypeColor: BlackWeight: 9.5gSize: 4.35*2*1.3cmBattery: Lithium battery, its capacity is 70mAhSpecifications:Max Sound Output: ≥127dB ± 4dBMax Sound Gain: 48dB ± 5dBTotal Harmonic Distortion: ≤5%Frequency Range: 450~3500 hzEquiv Input Noise: ≤30 dBBattery: Lithium BatteryWorking Voltage DC 3.7VWorking Current: ≤4mAMeasurement: 4.35*2*1.3cmDetailed Product Description:Rechargeable, work for about 20hours after fully chargedBluetooth type, invisible, nobody knows it's a hearing aidBuilt in 70mAh lithium battery, it can work for about 20hours continuously after fully charged.On/Off SwitchVolume ControlDifferent size noise prevention earplugGood sound quality, 30 meters awayUse the most splendid lithium battery power supply, provides the battery charger, rechargeable for 1000 times