TOZO O2 open‑ear Bluetooth 5.3 wireless earbuds feature a dual‑axis multi‑angle adjustable design to fit 99% ear shapes, delivering pressure‑free all‑day comfort for driving, work and meetings, while its open‑ear structure keeps you aware of surrounding sounds for safer outdoor use. Powered by a 14.2mm dynamic driver and TOZO ORIGX acoustic technology, it produces rich elastic bass, clear mid‑high frequencies and immersive stereo sound with directional audio to protect privacy in public spaces. Equipped with DSP call noise cancellation, it filters up to 90% background noise for crystal‑clear calls in busy environments, and supports dual‑device connection plus independent single‑ear usage. Offering 12‑hour single‑bud playback and 42‑hour total runtime with the slim portable charging case, these earbuds carry IPX6 nano‑coated waterproof‑dustproof rating for running, cycling and light‑rain scenarios. Compatible with the TOZO App, you can select 5 preset EQs for personalized audio, access one‑click reset for troubleshooting, and unlock built‑in AI tools: 30‑minute monthly free real‑time & simultaneous translation, 60‑minute monthly free AI voice chat and meeting recording, alongside unlimited text‑based AI chat, image‑to‑text, proofreading, text simplification and content‑enrichment functions. Ideal for sports, commuting, driving and daily work, these open‑ear earbuds balance great audio performance, safety and versatile smart capabilities. | Tozo | | O2 Ai Translation Open-Ear Sports Headphone, Lightweight Comfort, DSP Noise Cancelling, Powerful Bass, Dual-Axis Earhook | Pink | Best Buy