Sim:
Dual eSIM (two active eSIMs; stores eight or more eSIMs)19 iPhone 16 and iPhone 16 Plus use eSIM technology and are not compatible with physical SIM cards.
Memory Card Slot:
Yes
Audio Control:
On-device Audio Control or On-ear/Wireless On-mobile Audio Control
Charging Time:
Earbuds: 2 hours to fully charge. Earbuds + charging case: 180 min to fully charge. Charging case: 120 min to fully charge. Maximum support 1C charging current.