Yinyoo Earbuds D2B4 in-Ear Earphones HiFi Earphones Noise Isolating Earbuds Drummer Earphones with 2DD Dual Dynamic Drivers 4BA Balanced Armature Drivers MMCX Connector Cable (Blue) Home Theater Transmission scheme: BluetoothR standard Ver

Transmission scheme: BluetoothR standard Ver

Dolby Digital Plus

Driver unit: φ50mm Playback frequency: 5Hz-25

stops working

we applied a design that cuts the base part obliquely

Yinyoo Earbuds D2B4 in-Ear Earphones HiFi Earphones Noise Isolating Earbuds Drummer Earphones with 2DD Dual Dynamic Drivers 4BA Balanced Armature Drivers MMCX Connector Cable (Blue) Home Theater Transmission scheme: BluetoothR standard VerBrand: Yinyoo Color: Blue Features: 2DD + 4BA HYBRID UNITS DRIVERSInear Earphones YINYOO D2B4 In ear earphones Extremely enthusiastic professional configuration, The Yinyoo Newest D2B4 hybrid hifi Earphones designed with 6 units Drivers DUAL dynamic driver and FOUR balanced armarture hybrid per side to produce good treble and bass. Enhancing the sound quality and exterior again the hybrid technology ,new armature and dynamic driver ,friendly design