A-60 USB Rechargeable Hearing Aids Adjustable Tone Sound Voice Amplifier, A-60 Option:A-60 wet or dry clean and

wet or dry clean and sanitary

Loading Container 20GP: 368 cartons * 500 pcs = 184000 pcs

Size 30*9cm

Laser Wavelength: 532nm

A-60 USB Rechargeable Hearing Aids Adjustable Tone Sound Voice Amplifier, A-60 Option:A-60 wet or dry clean and1. Sound output (MAX): 129+ 4 dB 2. Sound Gain (MAX): 50dB + 5dB 3. Harmonic distortion: less than or equal to 5% 4. Frequency range: 450~3500hz 5. Input noise: less than or equal to 30 dB 6. Battery: Lithium battery 7. Working voltage: DC 3. 7V 8. Working current: less than or equal to 3mA 9. Dimensions: 6. 6 x 1. 3 x 1. 3cm 10. Net weight: 26g 11. Please do not use the computer to charge. 12. Please do not charge more than 6 hours Specification: