[Product explanation] ●Listen to the outside world You can enjoy your own rich
sound while taking in the surrounding sounds. ●Open ear design that allows you
to connect with your surroundings. OpenAudio technology delivers high quality
sound just for you. ●Enjoy music anytime, anywhere You can listen to music
anytime, even while running or having a conversation. It is comfortable to
wear, has a stylish appearance, and is equipped with Bose immersive audio.
These earphones are recommended for those who want to enjoy music for a long
time with the best sound. Bose Immersive Audio plays music in a
three-dimensional, immersive way. ●Reduces the burden on the ears. Looks
stylish too. This sound wear is comfortable to wear all day long and looks
stylish. Bose Ultra Open Earbuds have flexible joints, are extremely
lightweight, and are so comfortable you'll forget you're wearing them. The
design that hooks behind the ear does not block your ears, so you can be aware
of your surroundings. ●Long time playback battery Long battery life with 7.5
hours of playtime*1 and 48 hours of standby*3. If you use the included charging
case, you can play for an additional 19.5 hours. Ideal for charging on the go
2. *1 Tested with Bose (when playing audio at a volume of 75 dBSPL). Battery
life varies depending on settings and usage. *2 Tested with Bose. Charge your
dead earbuds to 100% (or until the case battery runs out) with a fully charged
case and then play audio at a volume of 75 dBA until the earbuds battery runs
out. I repeated this until the battery in the charging case ran out. *3 Tested
with Bose. I took the fully charged earbuds out of the case, connected them to
my phone without any content playing, and kept them connected until the
earbuds' battery died. ●Easily adjust listening with button operations With
simple button operations, you can easily switch between stereo mode and
immersion mode to suit your usage environment. You can play music or answer
calls by pressing the button. Use with other Bose products ●Enjoy watching TV
programs without worrying about your surroundings. Pair your earbuds with Bose
smart soundbars and speakers with Bose SimpleSync technology to watch TV at the
volume you want. ●Stable connection achieved by Bluetooth 5.3 Bluetooth 5.3
provides a powerful and stable connection within 30 feet of your paired device.
Control everything with the Bose Music app You can further customize your
sound by adjusting the sound using adjustable equalizer settings in the Bose
Music app. Within the app, you can freely adjust bass, midrange, and treble,
check battery level, customize shortcuts, and manage connected devices.