[Joybuy Collection - Books] Buy $49 Free Shipping Policy
1. Applicable products includes and only includes books from Joybuy Collection;
2. Buy $49 Free Shipping Policy is only applicable to specific delivery options;
3. When the total amount of Joybuy Collection books purchased is more than $49 (include $49, shipping cost excluded), the order of Joybuy Collection books will apply free shipping policy. The other products (non Joybuy c products) will be charged separately;
4. If the order cancellation or return of goods which is due to customer reasons, lead to the total amount of Joybuy Collection Books purchased is less than $49, customers have to bear the shipping cost of having generated and being returned;
5. All the information, including all mails sent by Joybuy, and its promotion/price/delivery/return policies provided during promotion，is subject to the information displayed on Joybuy.com.
Not Applicable Scenarios for Buy $49 Free Shipping Policy
1. If the items you purchased are non-Joybuy Collection Books;
2. If you chose other shipping options which are not appointed in Buy $49 Free Shipping Policy.
Answer: type-c to USB3.1 theoretical speed of 10Gbps, downward compatible with USB3.0/USB2.0/USB1.1.
2. HDMI 4K output problem.
1. HDMI 4K output is supported by computer or mobile phone.2. Please equip standard 4K cable for use (factory test brand: SAMZHE yamazawa ultra-thin gold-plated version 2.0 standard 4K cable).
3. About PD charging protocol, uplink charging.
A: 1. Computer or mobile phone supports PD protocol.2. Uplink charging power supply 20V/5A 100W.
4. USB downlink charging.
Answer: it can be turned out through USB as ordinary standard current, with the maximum downlink current of 900MA and normal 500MA, and the voltage is 5V/200MA without ch