Rose gold Calls/Music Ear-hook Headset True Wireless Stereo (TWS) USB connectivity Bluetooth Intraaural Earbuds Microphone type: Built-in 55 mAh Minimalist ApproachA minimalist spherical shape gives the earbuds a stylish look, and an ergonomic design makes them comfortable and feather-light. Each earbud weighs in at just 5.6 g4 and the open-ear design allows ears to breathe, while TPU reduces smudging and staining.Pleasant Open-ear ListeningThe earbuds are interchangeable, with self-adaptive left-right audio channels, meaning you can wear either earbud on eitherear.Incredible DurabilityHaving passed reliability tests,6 the C-bridge made of high-performance Ni-Ti shape-memory alloy snugly fits the majority ofears.Secure FitWith ergonomic design based on 10,000+ global human ear data7 for guaranteed comfort, multiple micrometeter-level size optimization, the earbuds will feel tailored to yourears.Stay in Tune with Your SurroundingsImmerse yourself in music, while staying aware of c