【TRUE WIRELESS EXPERIENCE】Just take Mifo O5 wireless earbuds out and they're ready to use with all your devices. Turn on the phone's bluetooth and search mifo-O5 to pair, just 2 seconds they will pairing successful. And next time when you want to listen to music, just take out mifo O5 from the charging case and the earbuds will automatically connect to your device.【100 HOURS PLAYTIME】O5 true wireless earbuds has 100 hours playtime with 2600mAH charging case. For a single charge, the earbuds play for up 7 hours, and the portable charging case that holds multiple additional chargers for more than 90 hours of listening time.【COMFORT AND STABILITY】Thousands of ear shape data collection and wearing test, 698 times optimize, and final become what O5 is now. O5 bluetooth earbuds have an unmatched combination of comfort and stability. O5 wireless earbuds is waterproofed to IPX7 standards that can use in any sports activities. O5 let you enjoy music anytime anywhere.【SUPERIOR SOUND WITH BLUETOOTH 5.0】O5 true wireless earbuds has balanced armature type drive units presents solid bass sound quality, O5 bluetooth wireless earbuds provide rich, high-quality audio.【UNIQUE AND ONLY】Once you purchase O5 wireless earbuds, you will get 18-month warranty and friendly customer service. What's in the box? O5 wireless earbuds, a charging case, 6 pairs of ear-tips, a guideline, an user manual, a charging cable, a brand manual.