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Quick Details

  • Properties: Rehabilitation Therapy Supplies
  • Place of Origin: Hebei, China (Mainland)
  • Brand Name: Sanwin
  • Model Number: SW F 137
  • Type: Other
  • battery: AG5 Button Battery or A13 (Zinc Air Battery)
  • weight: 8 g
  • Size: 4.6*3.8*0.9cm

Packaging & Delivery

Packaging Details Master box size:52*45*33cm 200PCS/CTN GW:17.5kgs
Delivery Time Shipped in 7 days after payment


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F-137 is small fashionable design ,with a blue decorative batter for avoid the Gap caused by body unit dislocation ,wearing comfortable and invisible.The structure and performance advantage: The ear hook connected with the shell copper cylinder ,structure is firm and reliable .with “H” low frequency noise reduction ,select of high fidelity microphone with high performance white earhone ,hearing aid low distoration and low noise.






Item No.: F-137 
Max Sound Output:130±5dB
Max Sound Gain:48dB ±5dB
Harmonic Wave Distortion:≤4%
Frequency Range:450~3500 Hz
Input Noise:≤30 dB
Battery:AG5 or A13(Zinc air)
Working VoltageD.C.1.5V
Working Current:3mA
Net Weight:8g


Transaction History of the Supplier

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Transaction Overview


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Trade Assurance
China (Mainland) | Trading Company
Transaction Level:
Supplier Assessments:
6 Transactions 10,000+
The supplier’s transactions conducted via Alibaba.com in the past 6 months.
The supplier supports Trade Assurance – A free service that protects your orders from payment to delivery.
Supplier's Trade Assurance Limit: US $37,000
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