OnePlus offers Back to School specials on accessories
For example, you can save 10% on the Dash Power Bundle. The package is made up of a Power Adapter and a 3.3 foot Type-C cable. With Dash Charge, you are able to charge up the battery on your OnePlus 3 to 67% of capacity in just 30 minutes. Normally $34.90, the Dash Charge Bundle is $31.42 during the sale.
OnePlus 3 protective cases are 10% off with prices starting as low as $17.96. Cases and covers for older models are sharply discounted. For example, the Flip Cover for the OnePlus 2 is 50% reduced in price to $10.00. And there is even a Sandstone case for the Apple iPhone 6 or Apple iPhone 6s that is now 70% off at just $5.99.
If you are interested in taking advantage of OnePlus' Back to School sale, click on this link.