OPPO introduces the Enco Air5s in Shenzhen as its first semi-in-ear earbuds featuring active noise cancellation technology.

The device incorporated a 12 mm dynamic driver with a copper-clad aluminium wire coil and a 10-band custom equaliser. Each earbud weighed 3.9 grams, utilised Bluetooth 6.0 connectivity, and carried an IP55 water resistance rating. The battery provided up to 48 hours of total playback with the charging case and achieved TÜV Rheinland certification.

Integrated software features included slide volume controls, gesture-initiated functions for Spotify, and an AI translation tool. OPPO manufactured the device in white, back, and purple.