Question: is jaybird x4 better than x3?
Answer: Unlike its predecessor, the IPX7 Jaybird X4 can withstand submersion up to one meter for 30 minutes. Yes, the Jaybird X4 is worth the upgrade from the Jaybird X3, at least if you're a swimmer. With the IPX7 certification, the updated model can withstand submersion up to one meter for 30 minutes.