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Item specifics
  • Package: YES
  • Input Type: Bluetooth
  • Output Type: Optical / coaxial/RCA/3.5mm jack
  • Brand Name: S.M.S.L
  • Channels: 2 (2.0)
  • Model Number: SMSL B1
  • THD + N: 0.02%
  • Headphone amplifier power: 65mW@32ohm
  • Decoding IC: WM8524G
  • Continuous use time: 24Hours
  • Special function: NFC Scan Connects to Bluetooth
  • Dynamic range: 95dB
Product Description
  1. Model:                                                                 B1
  2. Color:                                                                  Black
  3. Charging voltage:                                            5V
  4. Special function:                                              NFC Scan Connects to Bluetooth
  5. Input:                                                                  Bluetooth
  6. Bluetooth version:                                          BT4.2
  7. Output:                                                              Optical / coaxial/RCA/3.5mm jack
  8. Optical Coaxial sampling rate:                    48KHz
  9. DAC Dynamic Range:                                     95dB
  10. RCA Output level:                                            1.8V rms             
  11. DAC SNR:                                                           93dB
  12. Built-in battery capacity:                               800mHh
  13. Headphone Amplifier SNR:                           96dB
  14. Continuous use time:                                     24Hours
  15. DAC THD+N:                                                     0.02%
  16. Power consumption:                                     120mW
  17. Headphone Amplifier THD+N:                      0.03%
  18. Standby power consumption:                     0.36uW
  19. Decoding IC:                                                     WM8524G
  20. Digital transmit IC:                                         CS8406-CZZ
  21. Headphone Amplifier IC:                               MAX97220A
  • Headphone Amplifier power:                      65mW@32ohm
  • Weight:                                                             158g
  • Size:                                                                   70*81*25(mm)
  • Accessories:                                                 Micro USB Cable, antenna
How to use bluetoooth:
1. Install the B1 antenna and turn it on,
   Open the phone Bluetooth, will search SMSL BT4.2, click on the connection
2. If the phone has NFC function, open the phone Bluetooth, NFC scan with the NFC sensor area, you can connect the Bluetooth




1. We can accept T/T ,Escrow and Western Union and Money Order,the best way is direct online payment,you can choose yourself. If you want other payment terms please let us konw before when you order.
2. Full payment must be made within 7 days after placing your order, or the order will be invalid or canceled by the system.
3. Make sure that you have completed all the detailed information like contact person,address,post code and telephone number when filling in your buyer\'s information.


1. If the payment is not available, your order will be closed automatically.
2. The buyer are responsible for any insurance ,problems and damage which caused by shipping service such accidents, delays or other issues. Besides the buyer should to be responsible for any tax and/or duty charged by their country. And the goods will be Marked as "gift" or "sample" for your easy customs clearance and less charge. (if you want to declare the goods as other item name, or specify an value for custom, please inform us when making the order)

1. All the goods are inspected before shipment, so if you are not satisfied with the purchase, you can exchange the items in one week and you must contact us within 24 hours of the receipt of your purchase.Please contact us before open dispute, we can refund you.
2. The shipping and handling charge is not refundable and customer should be responsible for all the charges of returning and reshipping.
3. All return items must be in its original conditions, including box and accessories. Men made defects are not guaranteed, such as broken, scratched and so on.
4. For any items,please send by EMS or your local post when send back.

1. Buyer\'s early confirmation will be highly appreciated after receiving the items.
2. Since your feedback is very important to our business\'s development, we sincerely invite you to leave positive feedback for us if you are satisfied with our product and service. It\'ll just take you 1 minute,but this 1 minute has the extremely vital significance to us.
3. Please contact us before leaving any negative or neutral feedback. We will work with you to solve any problems.Thank you for your understanding!






Packaging Details
  • Unit Type: piece
  • Package Weight: 0.6kg (1.32lb.)
  • Package Size: 20cm x 20cm x 5cm (7.87in x 7.87in x 1.97in)
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Packaging Details
  • Unit Type: piece
  • Package Weight: 0.6kg (1.32lb.)
  • Package Size: 20cm x 20cm x 5cm (7.87in x 7.87in x 1.97in)
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