New TWS touch digital noise reduction suppression howling hearing Aid sound amplifier Z-26D1Hearing Aid

Product size (length x width x height cm) 2X1.5X1cm Product packaging size (length x width x height cm) 15x9x2.9cm Product net weight (g) 2.5 Product gross weight (g) 145 Outer box size CM 48X39X32cm Outer box gross weight KG 15.5 Packing quantity 100 Our company's products have full English manuals, specially supplied for foreign trade, and support OEM/ODM. Please consult customer service for large quantity discount Features: 1.Max sound out put: ≤115+/- 3dB 2.Sound gain: 29dB+/- 3dB 3.Total harmonic wave distortion:≥ 3% 4.Frequency range: F1≤200Hz, F2≥5000Hz 5.Input Noise:≤28dB 6.Voltage:d.c.1.5V 7.Current:≤0.9mA 8. Charing box: Include 300mAH Full charing about 2~3 hours OK to hearing Amplifiers recharing about 4~5 times 9. Hearing Amplifiers: Include 25mAH Full charing about 2~3 hours Normal working time ≥30h, total working time ≤150h