Features: ♫ 15.4mm big dynamic driver earbud headphones, provide you an excellent music enjoyment. ♫ No ear-canal irritation - Excellent choice for people who are not comfortable with in-ear earphones ♫ This Classic Style hifi headphone built with standard 3.5mm audio jack, compatible for Android smartphones, music player, tablet,pc. ♫ Wired hifi earphone can be used in jogging, walking , travel, and so on. Specification: ✲ Model: KBEAR Stellar ✲ Style: Classic Style Earbud ✲ Sensitivity: 115±3dB ✲ Impedance: 30 Ω ✲ Frequency response range: 20-20000Hz ✲ Driver: 1 dynamic driver ✲ Driver Diameter: 15.4mm ✲ Driver material: Japanese PPS ✲ Plug diameter: 3.5mm ✲ Plug type: Straight curved ✲ Wired or wireless headset: wired headset ✲ Color: Black, Red, Blue, White, Clear Black ✲ Yes or No Microphone: Optional ✲ Cavity Material: ABS ✲ Suitable style type music: classical, rock, pop and so on Package included: ✔ 1* KBEAR Stellar earphone Please Note: ✪ KINBOOFI have the Formal authorization from KBEAR company , all products are original.