【USB-C Digital Connection】Features built-in DAC chip for superior digital audio processing, delivering pure sound quality without compression loss through direct USB-C connection. 【HD Microphone & Call Control】Integrated HD microphone with three-button control design enables seamless switching between music and calls with crystal-clear voice transmission. 【Semi-In-Ear Comfort Design】Ergonomic semi-in-ear structure provides comfortable fit for extended wear without causing ear fatigue or discomfort. 【Tangle-Free TPE Cable】Premium TPE cable material offers comfortable touch feel, excellent pull resistance, and tangle-free design for hassle-free daily use. 【Universal USB-C Compatibility】Compatible with all USB-C devices including Android phones, iPhone, iPad, MacBook, and other devices without requiring adapters. Specifications: Model: L13 Material: TPE + ABS Cable Length: 1.2m Weight: 15.5g Plug Type: USB-C Wearing Method: Semi-in-ear Package included 1 x Wired Earphone 1 x English and Chinese User Manual Specifications Brand ACEFAST Color White Packaging Type Colored Box Plug Type (For Supply) N/A User Manual (Language) English and Chinese Gross Weight 0.056kg Volume Weight 0.134kg Package Length 15.000cm Package Width 8.000cm Package Height 5.000cm