Specification:

Microphones: 4 microphones in each earbud

 

Materials:
Earbuds: Metal, plastic, gold plating, sweat and water resistant (IPX4)
Eartips: Silicone
Case: Hard plastic

 

Bluetooth:
Bluetooth range: Up to 9 m
Bluetooth version: 5.3

 

Battery:
Battery life: Up to 6 hours
Earbud charge time: 1 hour
Charging case charge time: 3 hours
Quick-charge time: 20 minutes for 2 hours
Battery charge method: USB-C
Battery type (earbud): Lithium-ion
Battery type (case): Lithium-ion
Automatic on/off feature to preserve battery

 

Dimensions/Weight:
Earbuds:1.72 cm H x 3.05 cm W x 2.24 cm D (6.24 g)
Charging case:5.94 cm H x 6.63 cm W x 2.67 cm D (59.8 g)
USB cable:30 cm

 

• What’s in the box:

2 Bose QuietComfort Ultra Earbuds
Bose Fit Kit:
Three pairs of ear tips (small, medium, large), and three pairs of stability bands (small, medium, large)
Charging case
USB-C (A to C) cable (12")
Safety sheet