OPPO Enco Air3 Pro True Wireless in Ear Earbuds with Industry First Composite Bamboo Fiber, 49dB ANC, 30H Playtime, 47ms Ultra Low Latency,Fast Charge,BT 5.3 (Green) REFURBISHED 5D curved glass & Fluroelastomer

5D curved glass & Fluroelastomer band which is comfortable to wear

[Hands-Free Stereo Calls] - The single-mic Wave 300TWS earbuds eliminate background noise so you can enjoy stereo quality calls on the go

including Heart Rate Zones and Running Form

please go to Settings-> Legal & Compliance-> Safety and Compliance

OPPO Enco Air3 Pro True Wireless in Ear Earbuds with Industry First Composite Bamboo Fiber, 49dB ANC, 30H Playtime, 47ms Ultra Low Latency,Fast Charge,BT 5.3 (Green) REFURBISHED 5D curved glass & FluroelastomerFeatures Industry first Composite Bamboo Fiber : Innovative use of bamboo fiber material to make the treble dome of the sound unit, which greatly improves the high frequency delicate sense of hearing, and effectively suppresses distortion. Reproduce the details of real musical instruments with real plant fibers. It has 12. 4 mm large dynamic driver which can move more air than a smaller one, making the listening experience more dynamic and exciting.