1) If your PC is NATIVE (PC shipped with Win10 installed) Windows 10 - You can use Windows Native Bluetooth driver, and use the dongle Plug and Play, NO NEED to download the driver! So DG40SA is your better choice with $11.99. Certainly you can choose DG40S with $12.99.
2) If your PC is Windows 7/8/XP / Win 7 / upgraded Win 10 - DG40S is your only choice. You need to download the latest DG40s software / Driver / Program from the CD in the box. Or you can also download the latest driver from here -
Lastest Driver (please click here to download)
| Image |  |
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| Product Name | DG40S | DG40SA |
| Support System | PC with Win 10, 8, 7, Vista, XP | PC with NATIVE Win 10 |
| Driver Needed |
1)Native Win 10 - Plug-n-Play 2)Others - use BlueSoleil |
Plug-n-Play |
| included CD | √ | × |
| Work with | Bluetooth headphones / speakers / keyboard / mouse / phones, etc. | Bluetooth headphones / speakers / keyboard / mouse / phones, etc. |
| Price | $12.99 | $11.99 |
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