Sainyer B2 Factory Price Wireless Earphones Bone Conduction Earbuds Wireless Earphone Headphones

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Product Overview

Description


Sainyer B2 wireless foldable active noise cancelling stereo headset earphone headphone  



Product Description


 






















































Model Number:



B2



Chipset



BT8812



Wireless Frequency



2.402-2.480 GHz



Protocol Support



HSP/ HFP/ A2DP/ AVRCP/BLE



Working Distance



 10 M ( 25 feet)



SNR



90 dB



Response frequency



80-5000 Hz



Transducer



18.8Omega ±15% , 90±3 dB, 300 mW



Microphone



-42 ± 3 dB



Charging standard



 Micro USB, DC 5V / 0.5-1 A



Battery



3.7V lithium Ion battery , 180 mAh



Working hours



Up to 5 hours



 





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Company Information




Exhibition


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FAQ


Q1: Are you manufacturer or trade company?


   A: We are a 100% original  manufacturer of earphones,headsets,headphones,speaker,, welcome to visit .


 


Q2. What is your major products?


  A : We are professional manufacturer of Wireless headphones, Wireless headset, Wireless speaker, wired earphone.


 


Q3.What Is your Payment terms policy ?


  A :  EXW, FOB SZ/HK.  30% deposit before the production, 70% balance payment before the delivery.


 T/T(HK HSBC),Paypal,ALIBABA Assurance Trade, L/C .


 


Q4.How long the production time?


  A :it is 2-5 working days, If Customization order, it is 20-25 working days.


 


Q5: What Is Our Quality Warranty?
  A: The quality warranty is 12 months. When you found defective products, please collect pictures or video and send to us. Our quality department will check what is reason. If defectives in the quality warranty range, we will arrange replacements with next orders.





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