The characteristic comes by means of a software program overlay from a French startup known as Tempow. The corporate guarantees music will play in sync to all linked units. The X4 runs on Bluetooth 5, however it can assist any Bluetooth gadget with the A2DP customary.
Even higher, it is built-in into the present Settings menu so there isn’t any want for a separate app. There you possibly can management the amount for every Bluetooth gadget individually. That is fairly cool. To regulate the amount of all units without delay, use the amount rocker on the X4’s backbone.