For Samsung Galaxy Tab S8 / Galaxy Tab S7 T870 / T875 Silicone + PC Protective Case with Holder & Shoulder Strap(Navy Blue + Blue) Tape-BNC Cable Adapters it can only extend the

it can only extend the charging cable or data cable without E-MARKER

but the USB connector is also used as an extension of your USB interface

Keep away from children

Interface: one double-layer dual-port standard USB3

For Samsung Galaxy Tab S8 / Galaxy Tab S7 T870 / T875 Silicone + PC Protective Case with Holder & Shoulder Strap(Navy Blue + Blue) Tape-BNC Cable Adapters it can only extend the1. Receive signal well. 2. Fully protect the equipment from normal scratches, dirt, tears and wear. 3. All buttons and ports are accessible. 4. Simple, comfortable and easy to carry. 5. Functional holder&pen slot&shoulder strap, easy to use.