Unless they are developing a new one with the capabilities, the current 3ds and new 3ds do not have bluetooth. ... If you want Bluetooth I would suggest a battery powered adapter that adapts the headphone jack to Bluetooth.

Can you connect a 3DS to a phone?

Play online on your handheld through your smartphone! The application, which is called Easy Tethering for Nintendo 3DS, can be exclusively used on DoCoMo supported Android devices. ...

Does 2DS XL have Bluetooth?

A larger stylus wouldn't have hurt, but that's a minor quibble in a solidly designed device. About the only thing missing here is a Bluetooth feature, something Nintendo has oddly avoided (and continues to avoid). ... The New Nintendo 2DS XL, perfect in so many ways, is the perfect (and perhaps final) reminder of that.