For OnePlus 9 Geometric Embossed Leather Phone Case(Blue) Tag-Boosters each two cores are twisted

each two cores are twisted together to resist external electromagnetic interference

General Compatible with ASUS:  FL8700

General Compatible with Huawei:  Matepad Pro 10

General Compatible with Honor:  V30

watching HD movies of large screen by connecting to smart TV

For OnePlus 9 Geometric Embossed Leather Phone Case(Blue) Tag-Boosters each two cores are twisted1. Made of PU + TPU, wear resistant and durable. 2. It adequately protects devices from the normal scratches, dirt, tear and wear. 3. Holder design makes horizontal viewing more convenient. 4. With card slots and wallet, practical and functional. 5. Access to all ports and buttons easily without removing the case. 6. Simple and easy, comfortable, easy to carry, it may work for a long time. Note: The actual product is subject to the title model, the