•TACHOMETER FEATURE: 15 built-in LEDs for RPM
•2 Alphanumeric display areas
•Bluetooth integrated
•Compatible with ALL PS4 Systems
•Li-ion 3.8V 2600 mAh battery is rechargeable via micro-USB cable: from 24 to 48 hours of battery life.
https://www.thrustmaster.com/wp-content/uploads/2021/10/BA-bt-led-display-ps4-1.jpg
OFFICIALLY-LICENSED PRODUCT FOR PLAYSTATION 4 SYSTEMS, COMPATIBLE WITH THE THRUSTMASTER ECOSYSTEM.
The BT LED Display is an exclusive device officially licensed for PlayStation 4 systems. The BT LED Display works with all PS4 wheels on the market and is recommended with Thrustmaster racing wheel models: T-GT*, T500 RS*, T300 Series*, T150* and T80*, and also with official PS4 DualShock 4 controllers*.
List of supported games:
https://support.thrustmaster.com