Green Calls/Music/Sport/Everyday In-ear Headset Wireless Bluetooth 5.2 Intraaural Microphone type: Built-in Built-in battery Silver Sring DesignMarvel at the laser-engraved handle, a homage to the elegance of string instruments, and delight in the scintillating sounds.HUAWEI SOUNDCutting-edge technology recreates authentic soundsTotal immersion in what's meant to be heardLossless Sound Quality for Authentic SoundsHUAWEI FreeBuds Pro 4 is the first pair of earbuds to support 2.3 Mbps lossless transmission,4 thanks to the Huawei-exclusive L2HC 4.0 audio codec5 and upgraded Polar Code technology. HWA Lossless and Hi-Res Wireless Audio certifications mean that this sterling sound really isn't too good to be true!Tuned by ExpertsHUAWEI FreeBuds Pro 4 is tuned by musicians at the Central Conservatory of Music to provide concert-level listening experience, and features two stunning sound effects to capture your imagination.ClassicalImmersive stereo audio effects to create an all-absorbing sou