Soundcore V40i Free Ear Headphones by Anker, Crystal Sound, 4 Adjustable Sizes for All Ear Sizes, Deep Bass, IP55, 21H Battery Life, AI Call Sharpness, Bluetooth 5.4

STYLISH & MODERN DESIGN - The transparent housing of the V40i earphones features powerful magnets that prevent accidental loss, as well as a light bar that informs you in real time. Compact, portable and futuristic headphones: music rhymes with style wherever you are.
Always comfortable, always connected: The V40i's free-ear design releases you from ear pressure and ensures airy comfort, while not cutting you off from the world around you.
PERFECT FOR ALL EARS: The innovative Soundcore system adjusts to 4 levels and fits 99% of ear shapes and sizes.
Close to the ear canal, deeper bass: adjustable ear hooks bring the sound closer and give you the bass you want. With an increase of 7.5dB max over non-adjustable hooks, enjoy richer, more powerful rhythms. Note: Laboratory data soundcore.
Powerful Listening: Feel the power of every song, even in noisy environments. With 16x13mm drivers, high elasticity diaphragm, and hourglass acoustic cavity, the V40i bone conduction headphones provide high volume and powerful bass.
Clear and crisp calls: The 4 microphones combine with AI to filter out ambient noise and allow crystal clear calls. No matter where you are, your voice is as clear as if you were talking face-to-face.