AUXILIARY LISTENING SOUND AMPLIFIER Output.OSPL90.Max.: ≤115dB+3dB OSPL90 HFA Avg: 102dB±4dB Gain: 33dB±5dB Frequency Range: 260Hz-5000Hz Working Current: ≤10mA Total Harmonic Distortion: ≤5% Bluetooth version: BT5.2 Operating Voltage: DC3.7v Game Time: About 5 Hours Input Voltage: 5V/500mA Send Inquiry Live Chat Product Details Tags:Clear sound qualityComfortable to wearLittle and daintyReduce noiseThree modes Share: FacebookTwitterLinkedInWhatsApp Prev: DIGITAL CHARGING SOUND AMPLIFIERS Next: HEARING AID&CLEARING BRUSH Related Products SOFT SILICONE EAR TIP FOR HEARING AIDS HEARING AID EAR TIPS RECHARGEABLE HEARING AID DIGITAL RECHARGEABLE HEARING AID BTE HEARING AMPLIFIER HIGH POWER BTE HEARING AID Hot Products 4-STANDS OCC IE100 IE200 WITH QCC3084 CHIP WIRELESS AUDIO HEADPHONE CABLES RECHARGEABLE HEARING AID 6N SINGLE CRYSTAL COOPER WIRE MMCX TO QDC ADAPTER CABLE 10MM PU EARPHONE SPEAKER 10MM LCP+PU EARPHONE SPEAKER